OT-2026-000091808
Publication integrity record
Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091808) never changes.
Identity and time
| Publication number | OT-2026-000091808 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43ba-7be5-9ea3-8f3d76f68139 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091808 |
| Status | PUBLIC |
Content hashes
| Canonical text | 904f33cca9e7baebf18cb389388ed986868ba5243b932762708c0463933a818d |
|---|---|
| Markdown | ddb9ad6877b2a089704f042fc2fc61aff68686d5e2ad4a39011e6a322ef9744c |
| Publication page | b6541b4893d4293dc503dfedd2e5de773f9c560e0ad7879fe16dbb8fd286928f |
| Manifest | 524f395ed003b144e743c42192b4d4b8d97fd28138e8617be2974ce0af493ee3 |
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 | OiMZIqdvJ6PtB11uIHpASqpQw4aW4/UbIjTuBt+AHGZe/hG0/A1KJNHKzezSARxZVFEunY0k834JYjQRZiIPBg== |
| 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
| 2026-09-17T09:42:42.669522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091808observed b6541b4893d4293dc503dfedd2e5de77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:42:42.652463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091808/manifest.jsonobserved 524f395ed003b144e743c42192b4d4b8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:42.634852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091808/publication.mdobserved ddb9ad6877b2a089704f042fc2fc61af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:42.615548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091808/publication.txtobserved 904f33cca9e7baebf18cb389388ed986...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. |
|---|