OT-2026-000057139
Publication integrity record
Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057139) never changes.
Identity and time
| Publication number | OT-2026-000057139 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5b9-7cc2-b17c-33545142aaa9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057139 |
| Status | PUBLIC |
Content hashes
| Canonical text | 544c28fc2f23f8abe5cbdc93a74aa0db3717f9596d85e42d560486af7ba44016 |
|---|---|
| Markdown | b9c5401fc5c051181396306bc7f9948d22d93f1dd33f9aacbcce17dea803387b |
| Publication page | 883c5643aea4a035efe857cd0a48c68f23a7f88662026e39c9719e395aa0dcc0 |
| Manifest | 0c2f53137ceb30bb0839cdc17045a950ca7399f536690c9618e76945491c69be |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | ip5SZfOB6AQquMYd7FgHnDfliChwhiLxYPMN5ZsaYJFqLR5Onn/x2E/aGoVr9QdEfEiEzQ3M7lDQ92X/Edp8Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-07T04:23:31.725465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057139observed 883c5643aea4a035efe857cd0a48c68f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T04:23:31.708435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057139/manifest.jsonobserved 0c2f53137ceb30bb0839cdc17045a950...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-07T04:23:31.675589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057139/publication.mdobserved b9c5401fc5c051181396306bc7f9948d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-07T04:23:31.639312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057139/publication.txtobserved 544c28fc2f23f8abe5cbdc93a74aa0db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T16:41:06.072069Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057139observed 883c5643aea4a035efe857cd0a48c68f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T16:41:05.923054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057139/manifest.jsonobserved 0c2f53137ceb30bb0839cdc17045a950...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T16:41:05.668309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057139/publication.mdobserved b9c5401fc5c051181396306bc7f9948d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T16:41:05.437761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057139/publication.txtobserved 544c28fc2f23f8abe5cbdc93a74aa0db...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|