OT-2026-000027221
Publication integrity record
Two cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000027221) never changes.
Identity and time
| Publication number | OT-2026-000027221 · never reused |
|---|---|
| Internal UUID | 01a0ae72-3454-720e-8730-4b9293f653b5 · 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-2026-000027221 |
| Status | PUBLIC |
Content hashes
| Canonical text | e71abc655aeac6a6cf8c751c0689fbe6e71e211190169b00b3d38482ccfe47fe |
|---|---|
| Markdown | 88e793f5395b4b2ca327ab3d0d8e97b11c963c697c3fbbc823ce341a3817b946 |
| Publication page | 79c6d93f99ab03f4eacdb87d669f8d9244e4723802f9735c69931183ed9eebe9 |
| Manifest | 314cd685b547b8ff185bd58ad1c6d4f72b796a92fca0c80580310f0fac49b7bf |
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 | YOOkULjSVww817taaTOrOoD9d3J2ZXmbPcOrA7LNnnumZuZfWhV2AQ+mfRFZ5ZVaAeONzUEIbW0TWH8ofEiHDQ== |
| 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
| 2026-10-25T04:23:19.290878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027221observed 79c6d93f99ab03f4eacdb87d669f8d92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T04:23:19.273350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027221/manifest.jsonobserved 314cd685b547b8ff185bd58ad1c6d4f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:19.257107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027221/publication.mdobserved 88e793f5395b4b2ca327ab3d0d8e97b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:19.237553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027221/publication.txtobserved e71abc655aeac6a6cf8c751c0689fbe6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:41.215582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027221observed 79c6d93f99ab03f4eacdb87d669f8d92...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:41.144651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027221/manifest.jsonobserved 314cd685b547b8ff185bd58ad1c6d4f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:41.073532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027221/publication.mdobserved 88e793f5395b4b2ca327ab3d0d8e97b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:40.957203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027221/publication.txtobserved e71abc655aeac6a6cf8c751c0689fbe6...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 |
|---|