OT-2026-000028649
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before set-down
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-2026-000028649) never changes.
Identity and time
| Publication number | OT-2026-000028649 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7a69-bf8f-5e35fa6d77cd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028649 |
| Status | PUBLIC |
Content hashes
| Canonical text | 59a781bddec5846b5eac9ba653cd470af5cdd6aceb72044a25fd403ea852f227 |
|---|---|
| Markdown | 4bddeaea611d25aa077e71e36c8497ab6ea162315d4ed822ebb8cfc51218c8b1 |
| Publication page | fadfd801985eac413fdfbed4902dab11c6bb42488b076c24b055c173cd54cc03 |
| Manifest | bfdb9bad0b9af3af9da6721c657692d6a42b107e417e8fefab8e81b1f0a59eb5 |
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 | zjiLNEkOodpG+kUWs18v+LWt613N+b1BmIgucGwf4pIc4i/zCd0CEYVPRsL6xfQjjhJ6Wh9aYBbB2WoTnORRAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:41:31.523359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028649observed fadfd801985eac413fdfbed4902dab11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:31.505772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028649/manifest.jsonobserved bfdb9bad0b9af3af9da6721c657692d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:31.487648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028649/publication.mdobserved 4bddeaea611d25aa077e71e36c8497ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:31.469567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028649/publication.txtobserved 59a781bddec5846b5eac9ba653cd470a...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. |
|---|