OT-2026-000029881
Publication integrity record
Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000029881) never changes.
Identity and time
| Publication number | OT-2026-000029881 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-7e70-b26e-1031d981bd84 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029881 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9809b3c2c1ef0816446119ac5e8eb9f119acbac4502a345319f6c67cde098b5 |
|---|---|
| Markdown | 4a4f5340d8998495e6a1288f809db5eeabfd8821cfce8438c389399a46cf742c |
| Publication page | d61abc84caaa0d7e23a4364c3a3b73f5c6f291083378b3648f0e8cadd4998113 |
| Manifest | 73510a9932c909c32e43f8ea435263af95f40cb97fe7a11d14ff45a2a4825f2b |
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 | QjvkxwGKerENoxGc6TZVhXTTkvgUBOkx2FbcAURsVTLdGGaBvGrp6sAw0IdxRl8PllvXPDvGKlw1Dvqu66XzCQ== |
| 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
| 2026-10-16T04:23:22.576814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029881observed d61abc84caaa0d7e23a4364c3a3b73f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T04:23:22.562076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029881/manifest.jsonobserved 73510a9932c909c32e43f8ea435263af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:23:22.546743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029881/publication.mdobserved 4a4f5340d8998495e6a1288f809db5ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-16T04:23:22.432940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029881/publication.txtobserved a9809b3c2c1ef0816446119ac5e8eb9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:29.006127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029881observed d61abc84caaa0d7e23a4364c3a3b73f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:28.891086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029881/manifest.jsonobserved 73510a9932c909c32e43f8ea435263af...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:28.791287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029881/publication.mdobserved 4a4f5340d8998495e6a1288f809db5ee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T00:41:28.695859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029881/publication.txtobserved a9809b3c2c1ef0816446119ac5e8eb9f...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 |
|---|