OT-2026-000072052
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000072052) never changes.
Identity and time
| Publication number | OT-2026-000072052 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c1-79cd-b353-eb1e31897574 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072052 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7c59f060204ecd34e83030767d528a19194f1e4c824091156874cc864f199a98 |
|---|---|
| Markdown | 6aa574db3b98233d2b20958d4cf4503d2cac43c12543ca45ff7295c0029b5585 |
| Publication page | 30066b38641ada5f3f112e90c9642621e9f43294009f98ddb1342aa8bec08657 |
| Manifest | 98a27a7e8565697dc0bc034de7be59fa9df0e4cf0f9b4719d84f808150ff7b3a |
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 | fzK3wOjnjWPs88zC+vXZGBgTx6LCLCv4a9xkhm8R2j+K2Cph1Z9Nv9rIqVsqeoC76hOU7WM0sjnTgFt0IxsTAw== |
| 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... |
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Independent retrieval
| 2026-09-17T10:23:07.284224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072052observed 30066b38641ada5f3f112e90c9642621...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:07.267212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072052/manifest.jsonobserved 98a27a7e8565697dc0bc034de7be59fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:07.250529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072052/publication.mdobserved 6aa574db3b98233d2b20958d4cf4503d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:07.233133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072052/publication.txtobserved 7c59f060204ecd34e83030767d528a19...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. |
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