OT-2026-000020472
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000020472) never changes.
Identity and time
| Publication number | OT-2026-000020472 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-70d6-b799-3988ac863c76 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020472 |
| Status | PUBLIC |
Content hashes
| Canonical text | aa24e8e5ef4d030df0ede0f817aee956d829df35c38072899e9525bee9156c99 |
|---|---|
| Markdown | b4188e75be0a2f54594bbaa969871603edbf1e5ab45b550fecd9b63a4fa393c1 |
| Publication page | ba36a872f5b6a2d4d33d4f4565532694f2188c5a6420ccd473cc3084e9054483 |
| Manifest | 30442f948bfaee47d12b22c42ce3790606f8885025c948375b95e54f5bf50c50 |
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 | YniVnS18+f04fRDqaWHoTk6jyR2rccTgEFUfB8p60fkL9PP+jYzngrApOx+GftkEsjYf0V2mc6Z18q3KqQ9kDg== |
| 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
| 2026-09-17T12:00:24.628566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020472observed ba36a872f5b6a2d4d33d4f4565532694...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:24.609430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020472/manifest.jsonobserved 30442f948bfaee47d12b22c42ce37906...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:24.589527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020472/publication.mdobserved b4188e75be0a2f54594bbaa969871603...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:24.571053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020472/publication.txtobserved aa24e8e5ef4d030df0ede0f817aee956...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.557265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020472observed ba36a872f5b6a2d4d33d4f4565532694...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.539402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020472/manifest.jsonobserved 30442f948bfaee47d12b22c42ce37906...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.519025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020472/publication.mdobserved b4188e75be0a2f54594bbaa969871603...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:28.501567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020472/publication.txtobserved aa24e8e5ef4d030df0ede0f817aee956...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. |
|---|