OT-2026-000021953
Publication integrity record
Six cup vacuum gripper, six outlet manifold, 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-2026-000021953) never changes.
Identity and time
| Publication number | OT-2026-000021953 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7b60-91ea-e7c2a14dbddc · 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-2026-000021953 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6940622543c173d9eb7574ea33e6505855445597a35a78ced086a94bf61cb7af |
|---|---|
| Markdown | 4fbebe0585e7bd32230fb793e5ae04c09b41f39affffc9cfd1c84ecfcb594f20 |
| Publication page | ac0aef75bd366d7224009f6503e1f81c3c8d72a86da5aaccb077d1dbebb08bd5 |
| Manifest | 75f8063fe677c6ebccd62ea51e95806c3c75161becaaecef4d56fc4a0247d1ae |
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 | a8iWx1QAFfyA/urEq5DPwhJRLuMM977T3bsuBdREd5s03KsyJmqBtar5zmtjPGnQKG7hR6QGbhGz07QtLbtwDA== |
| 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
| 2026-09-17T11:54:37.257948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021953observed ac0aef75bd366d7224009f6503e1f81c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:37.242094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021953/manifest.jsonobserved 75f8063fe677c6ebccd62ea51e95806c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:37.224144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021953/publication.mdobserved 4fbebe0585e7bd32230fb793e5ae04c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:37.204566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021953/publication.txtobserved 6940622543c173d9eb7574ea33e65058...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. |
|---|