OT-2026-000021955
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000021955) never changes.
Identity and time
| Publication number | OT-2026-000021955 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-714d-8c40-ea83a1350ee0 · 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-2026-000021955 |
| Status | PUBLIC |
Content hashes
| Canonical text | 574176b0198137bf0a22fe980beae45864cdace573842f483a81e8c98dc53158 |
|---|---|
| Markdown | c30a56fc8d3dca14dbd36791be36d757a928bb4f56906b7c7cb5d12cc1141174 |
| Publication page | 570534c3976cb0792968783db5a10cb51ed8ff0c939ee7c747591395133a59be |
| Manifest | b8c61c77bb2099870e06f3d4b2827e98619ff01a9d20ac8583d5c7c20308b0e8 |
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 | mg9oIuk6v7RNpiIvtVfesPDUDGpAdmO8ujPPz8p88ISxh3+6a5sw3l3FNQwO4Je6OOLsLPeriES+CZzex6+PCg== |
| 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
| 2026-09-17T11:54:37.407040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021955observed 570534c3976cb0792968783db5a10cb5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:37.388712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021955/manifest.jsonobserved b8c61c77bb2099870e06f3d4b2827e98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:37.369536Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021955/publication.mdobserved c30a56fc8d3dca14dbd36791be36d757...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:37.350944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021955/publication.txtobserved 574176b0198137bf0a22fe980beae458...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. |
|---|