OT-2026-000021613
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000021613) never changes.
Identity and time
| Publication number | OT-2026-000021613 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-78a0-82da-0d686896337c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021613 |
| Status | PUBLIC |
Content hashes
| Canonical text | af3512925a8dbcbf535c9b10a43f2e0bcf1f89330ac23d025709d56d350b2984 |
|---|---|
| Markdown | cedf436e5d6f4ef7a6aef97c13f882fc3548406a1f42859a3037503a8d37f4ba |
| Publication page | e673c9c23aa1395a3ff89d0a8d759ca061a31b46353dd4c36b435cbc80aa4b44 |
| Manifest | 46ad2a0e1c823e18500c3623f52639ed93ab2ab75bb10dced6c96469bf167d45 |
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 | UU434pg682BUR9k148Grxjfo5rq90KkXKlVNAQFZ2dXgA1mmI0qF+ZiaBpLE58POGkDxI9CntF1LSwa72S9jCw== |
| 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
| 2026-09-17T11:54:04.618571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021613observed e673c9c23aa1395a3ff89d0a8d759ca0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:04.569512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021613/manifest.jsonobserved 46ad2a0e1c823e18500c3623f52639ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.551955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021613/publication.mdobserved cedf436e5d6f4ef7a6aef97c13f882fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.504788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021613/publication.txtobserved af3512925a8dbcbf535c9b10a43f2e0b...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. |
|---|