OT-2026-000031074
Publication integrity record
Foam pad vacuum gripper, three stage ejector, pulsed blow-off after set-down
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-2026-000031074) never changes.
Identity and time
| Publication number | OT-2026-000031074 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb8-76f2-9547-2be19e1a18d5 · 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-2026-000031074 |
| Status | PUBLIC |
Content hashes
| Canonical text | 336af6e7c4f23c35a3f7bd7e80617b1c76a9dc7a2575a937d902713d13f3e123 |
|---|---|
| Markdown | 83694661536db054834054d785b80d8fa2970165c28419cfbf799c1778f9db8f |
| Publication page | a4151e8c85f9941501ab5ce70f8a5ce120c682b59d3e95acf66a36f060896ee4 |
| Manifest | 9a9ed827360ab3b47a38272bcc5b23128f817275c0bc62d18508053cb0e16276 |
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 | xKfR8QLGc9HfYiC8fxISVblgoZLPqbofz8VX9iiqMEaO8/GxZXm+Ntnb0FsCO0jKhlsHkN+8PcP0DwfSPRs/AQ== |
| 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
| 2026-09-17T11:40:17.536910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031074observed a4151e8c85f9941501ab5ce70f8a5ce1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:17.517097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031074/manifest.jsonobserved 9a9ed827360ab3b47a38272bcc5b2312...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.498286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031074/publication.mdobserved 83694661536db054834054d785b80d8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:17.476348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031074/publication.txtobserved 336af6e7c4f23c35a3f7bd7e80617b1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:39.732616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031074observed a4151e8c85f9941501ab5ce70f8a5ce1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:39.716857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031074/manifest.jsonobserved 9a9ed827360ab3b47a38272bcc5b2312...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:39.697830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031074/publication.mdobserved 83694661536db054834054d785b80d8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:37:39.679428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031074/publication.txtobserved 336af6e7c4f23c35a3f7bd7e80617b1c...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
| Custody package | Pending Custody packages are produced weekly. |
|---|