OT-2026-000081750
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000081750) never changes.
Identity and time
| Publication number | OT-2026-000081750 · never reused |
|---|---|
| Internal UUID | 01a0ae97-0f74-7d83-88e0-9ecef84d721b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:50.648824Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081750 |
| Status | PUBLIC |
Content hashes
| Canonical text | c7b4db254c721b52427cfa7b7ba31ce69b6f85d046c6aaf983d1fa8843e2904c |
|---|---|
| Markdown | f46a962318159ab9c4993aad263c86f08da772ae501b60b7f4d76722fa78b990 |
| Publication page | 56c3fa7892f6436861341a741b124f070b4d772577a94ad6dd252038c90ffc9e |
| Manifest | 07794a7376142962bf56ea11f8749420878cc1ab002e3c2950a5f0ea2726f6bd |
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 | wSyp8L9pOjlR/syAP0f3BCUI+NGnueRxCmd4YwrnUvvwOWc+kJDK5u4G9wL9sKVWE8QuHfEkJM3RPbMk1ToBAg== |
| 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
| 2026-09-17T09:59:50.140322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081750observed 56c3fa7892f6436861341a741b124f07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:59:50.121312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081750/manifest.jsonobserved 07794a7376142962bf56ea11f8749420...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:50.102178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081750/publication.mdobserved f46a962318159ab9c4993aad263c86f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:59:50.083595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081750/publication.txtobserved c7b4db254c721b52427cfa7b7ba31ce6...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. |
|---|