OT-2026-000073812
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073812) never changes.
Identity and time
| Publication number | OT-2026-000073812 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8d-7d1b-bf00-fbad1aa21e2c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073812 |
| Status | PUBLIC |
Content hashes
| Canonical text | 502cfb9a779e5aabb1806bb72efcda78eb6062e1d2184495dab16dd21101f54d |
|---|---|
| Markdown | 19fbaf76468f2a5c3973344706cb0092f2db4833258664f496ec7ce412592718 |
| Publication page | cdb6d8f5acabb4f08d8380286f679b7c24aac4751d598bd12ea892e18a0d8f5e |
| Manifest | 80a8af62f63725124ee0ea0cd2a02422b413fc01ee77a7f10f5169b2ff1e3a23 |
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 | aUjFfz0HHUIp61gRErNUvNT5Y425nRPslWHt4E4TrKYs+yVOMa5ERqfiM+Dg4WylV0P1/RSFQJCChn3BrJl6CQ== |
| 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
| 2026-09-17T10:19:55.996370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073812observed cdb6d8f5acabb4f08d8380286f679b7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:19:55.976765Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073812/manifest.jsonobserved 80a8af62f63725124ee0ea0cd2a02422...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:55.956401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073812/publication.mdobserved 19fbaf76468f2a5c3973344706cb0092...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:55.937908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073812/publication.txtobserved 502cfb9a779e5aabb1806bb72efcda78...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. |
|---|