OT-2026-000075821
Publication integrity record
Three bellows cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000075821) never changes.
Identity and time
| Publication number | OT-2026-000075821 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fe-7e40-b8e1-cbc5addcf2f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e301dd71c40098be6ebcec99b1e96afe0620fca117e0bdd5f594a8bc9a9173c |
|---|---|
| Markdown | 4acea9ddc1fb23dfa848fc08d858ba97228aee7a3e0187a7125cc74529dcd0e8 |
| Publication page | a0d87330233ad7e7c239fb50740b1f6322a850d09036bc118cd8af362adbc2ab |
| Manifest | 73a91f27eed2f8ae3f7080ddcc13c8e1cca2e5eb0dc61006074e19e0e82e71b7 |
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 | 4rcdJp5dq6/uopdeIlq/zqC7jIPyS6U7a2qPtxMr23PvuCYiCQykJVyc8p49PpfkKxJ1QpYL2hEB9tOIBU6/Bg== |
| 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
| 2026-09-17T10:14:21.794438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075821observed a0d87330233ad7e7c239fb50740b1f63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:14:21.775110Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075821/manifest.jsonobserved 73a91f27eed2f8ae3f7080ddcc13c8e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:21.757489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075821/publication.mdobserved 4acea9ddc1fb23dfa848fc08d858ba97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:14:21.737855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075821/publication.txtobserved 8e301dd71c40098be6ebcec99b1e96af...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. |
|---|