OT-2026-000027227
Publication integrity record
Foam pad vacuum gripper, three zone face, three stage ejector, 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-2026-000027227) never changes.
Identity and time
| Publication number | OT-2026-000027227 · never reused |
|---|---|
| Internal UUID | 01a0ae72-3454-7582-8f8d-ebb6e86b2319 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:35.358864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027227 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c1631f1e1f27a6bd409bffb17bd19a51f129fde4a315816903109e0c072e3a8 |
|---|---|
| Markdown | b8ddfeba0305b076413f3a843721235c217e7e9f42ad0a467fbcaa09dbad7a5c |
| Publication page | ba3c85ed264389ade35e8a2536e21e1ba23ffd1a3e233a44aac817da65d7c6b8 |
| Manifest | 6186b3b153542b6258a0e46b0ba1e54318fdfc1b6c8d93935c9037cfbf97165f |
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 | A8kRCHCnmT5s/mwLF1FwEOuBUXW9ZTvDyHGBXsA5391eYMMecOP3T8stSnk3We0KZwI2nBjzzC5OAHHiF6s2Dw== |
| 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
| 2026-10-20T16:41:09.773043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027227observed ba3c85ed264389ade35e8a2536e21e1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T16:41:09.715500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027227/manifest.jsonobserved 6186b3b153542b6258a0e46b0ba1e543...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:09.662146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027227/publication.mdobserved b8ddfeba0305b076413f3a843721235c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T16:41:09.608223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027227/publication.txtobserved 4c1631f1e1f27a6bd409bffb17bd19a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:15.209346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027227observed ba3c85ed264389ade35e8a2536e21e1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:15.187951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027227/manifest.jsonobserved 6186b3b153542b6258a0e46b0ba1e543...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:15.168180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027227/publication.mdobserved b8ddfeba0305b076413f3a843721235c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:23:15.141191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027227/publication.txtobserved 4c1631f1e1f27a6bd409bffb17bd19a5...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 |
|---|