OT-2026-000074640
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000074640) never changes.
Identity and time
| Publication number | OT-2026-000074640 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2a-713c-ad8f-411817122e12 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074640 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5eff5f5ad7978075dbb4a2fc6b6fc74688e757716c6b3f743ff9dd5e293975b |
|---|---|
| Markdown | 094983e6d622db96c5dcd9b905e47ff5068af74e38a962ed0f1fd7f0d128ad23 |
| Publication page | aa0d9a71bf1a174e59015068483dc81cde713e00734db00e10b52bb0b2b03c93 |
| Manifest | b8440df95e8560dd5aeb2f9cc37f3357a7bcc9682bbd4af90c9ddfb8eb4160a7 |
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 | wt6r8apXY7tF4GhH2lCcIidY8PjLd9eJIOwC9hmjIYFkTF9fsHmZG9XclgB09NjaL9+SZm9q/zOzXavsxERyDA== |
| 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
| 2026-09-17T10:18:12.756822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074640observed aa0d9a71bf1a174e59015068483dc81c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:18:12.737188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074640/manifest.jsonobserved b8440df95e8560dd5aeb2f9cc37f3357...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:12.718398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074640/publication.mdobserved 094983e6d622db96c5dcd9b905e47ff5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:12.700487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074640/publication.txtobserved a5eff5f5ad7978075dbb4a2fc6b6fc74...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. |
|---|