OT-2026-000052343
Publication integrity record
Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000052343) never changes.
Identity and time
| Publication number | OT-2026-000052343 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e792-7d6e-8b9b-b8f9f86a79e0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052343 |
| Status | PUBLIC |
Content hashes
| Canonical text | e17768a0d16a1b7913d7312ebe90f6fe4f0d33d071c96d4be37a0eacb0c22424 |
|---|---|
| Markdown | e3cda7677a8c5ed7b45700becbd61a25b9bc8f66ea8d1f28efbc2f6012d6b63b |
| Publication page | 40abd2ead51980c7ac03dcac10e846892ad7123035be5808078e49edf5e2b44f |
| Manifest | ff390a744b831017bb86f77a4af8c8f9a3cc017ad1f602995473ba782cc9191a |
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 | X96heDjCcPyk9NtRPOqTYUHCZW3xKK/S7DYZIXSqgPafuQQBP64geMkzN2VthXPGaf45R/MG7d1feNC33cNlDA== |
| 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
| 2026-11-03T04:41:05.904888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052343observed 40abd2ead51980c7ac03dcac10e84689...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:41:05.828540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052343/manifest.jsonobserved ff390a744b831017bb86f77a4af8c8f9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:05.757629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052343/publication.mdobserved e3cda7677a8c5ed7b45700becbd61a25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:05.617522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052343/publication.txtobserved e17768a0d16a1b7913d7312ebe90f6fe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:02.206160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052343observed 40abd2ead51980c7ac03dcac10e84689...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:02.188254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052343/manifest.jsonobserved ff390a744b831017bb86f77a4af8c8f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:02.170338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052343/publication.mdobserved e3cda7677a8c5ed7b45700becbd61a25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:02.153205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052343/publication.txtobserved e17768a0d16a1b7913d7312ebe90f6fe...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|