OT-2026-000074873
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000074873) never changes.
Identity and time
| Publication number | OT-2026-000074873 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2c-7446-88ca-e74ed4e664d2 · 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-2026-000074873 |
| Status | PUBLIC |
Content hashes
| Canonical text | ebfe1eb1152f0cb8070a9d349f32361a01e8dad9f3b957885eb91ed63ae21dfb |
|---|---|
| Markdown | 75989b41de8c17aff50a2705d04fbbbd6cd696924874617c3788267beb281e5a |
| Publication page | a7c7cc2c868b0d5f983d114df96302dca3c65ab962ccdacb915baa75e22b7b64 |
| Manifest | 5d221b603ee55a93e7320c3c407c7d34012ad994eb9ff388b883e988da507083 |
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 | VayJ/91og2MNLsVKHlS1qYHSFoLIn/6R7guxfhcX1TLdTU4bKhUDvlN5ty9dZv3DOKpfIpNoDCXp3JmSlkT6Cg== |
| 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
| 2026-09-17T10:18:35.499983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074873observed a7c7cc2c868b0d5f983d114df96302dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:18:35.482878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074873/manifest.jsonobserved 5d221b603ee55a93e7320c3c407c7d34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:35.466103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074873/publication.mdobserved 75989b41de8c17aff50a2705d04fbbbd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:35.449667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074873/publication.txtobserved ebfe1eb1152f0cb8070a9d349f32361a...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. |
|---|