OT-2026-000090891
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000090891) never changes.
Identity and time
| Publication number | OT-2026-000090891 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7e2c-9a3c-c3fa29dd11a1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090891 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b4accd739142d491629c400a44132087865933ea2c896ca0e32fa76e74474b8 |
|---|---|
| Markdown | afdc88e65fda26181d53177a4018d3a3d193b6da96d25164989e0cbffb45b9e0 |
| Publication page | 80128301e47fc04ac2f449ec8a2a2b09dbc3d7ce6f98e8430ff88503ce0eb40c |
| Manifest | 9591b66e5bcef5303c47c6e46ad06bf23247e543f63afb630d7781011b4435e1 |
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 | Jr7/Ksv2Pt4i7l8Tjo6vpKOmR1Fo4/Af9wMuG39TuiVKChE7JswkQcQTGJoL1m/zcnsZNtKH5d6KUfoxVUdhCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:05.606956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090891observed 80128301e47fc04ac2f449ec8a2a2b09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:05.588620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090891/manifest.jsonobserved 9591b66e5bcef5303c47c6e46ad06bf2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:05.571578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090891/publication.mdobserved afdc88e65fda26181d53177a4018d3a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:05.556113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090891/publication.txtobserved 1b4accd739142d491629c400a4413208...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. |
|---|