OT-2026-000030783
Publication integrity record
Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000030783) never changes.
Identity and time
| Publication number | OT-2026-000030783 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb4-725a-970f-cce01c9e45b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030783 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9c7bdffe88d45faf9a5ff1056a316e0742d904c0261b618e69619075b46c0ce0 |
|---|---|
| Markdown | 7026f8fc7e88b8a200d63bdbba58ef11b111e0363fdad5fc689e1b9548d3ad78 |
| Publication page | 880c5cda03b694a67ce15a0733cd4388e77019163e4c2978d2bc6dd8eabc54c0 |
| Manifest | 2e38f2b6676fda0c5dde6e958c2fd5abcc039070b741b15f7a39db9f68504921 |
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 | 6sIor6cnrZGACleBgbuaGS4Ys7HyU8e63DanmMdPPLtxZkDAkDhQ0J63XvofI/JMwGhorbUjMc7zzsHnbRBzAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-18T08:41:34.303868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030783observed 880c5cda03b694a67ce15a0733cd4388...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T08:41:34.252450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030783/manifest.jsonobserved 2e38f2b6676fda0c5dde6e958c2fd5ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:34.182505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030783/publication.mdobserved 7026f8fc7e88b8a200d63bdbba58ef11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:33.938116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030783/publication.txtobserved 9c7bdffe88d45faf9a5ff1056a316e07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:43:04.482625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030783observed 880c5cda03b694a67ce15a0733cd4388...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:43:04.237804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030783/manifest.jsonobserved 2e38f2b6676fda0c5dde6e958c2fd5ab...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:43:04.052839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030783/publication.mdobserved 7026f8fc7e88b8a200d63bdbba58ef11...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T04:43:03.680003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030783/publication.txtobserved 9c7bdffe88d45faf9a5ff1056a316e07...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 |
|---|