OT-2026-000004889
Publication integrity record
Bellows cup vacuum gripper, four outlet manifold, ejector fed, pressure verified at each zone
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-2026-000004889) never changes.
Identity and time
| Publication number | OT-2026-000004889 · never reused |
|---|---|
| Internal UUID | 01a0a926-bc08-7ac4-a477-6c6b6f5b9e21 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:03.148144Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004889 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c3e52befb5767b7ef9118ecf6f9053f231870b60c3df5374e90f2ef19e9fa45 |
|---|---|
| Markdown | 80b39432340b9a3fc791c3c0172979fda5024417276c5c37b389c333be058745 |
| Publication page | 8348d79c78ca9a14a647599e8421cd68e9d9dcdcd395e49ff5a6d0b466b0e2ce |
| Manifest | 4ea568a8fb58ca85fcf69de07681108b09b6dd9ce0cb2e60f314d0cdb2383495 |
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 | 0RU1ngg8/HDhpqPBJ/OjlB8oRZeMvcxbLuxO6LigmUdN+0D+NrQ5475Ew9KPWQ7watY0CgNB6nbhoUTN8SVdDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:08.120793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004889observed 8348d79c78ca9a14a647599e8421cd68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:07.986014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004889/manifest.jsonobserved 4ea568a8fb58ca85fcf69de07681108b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.970827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004889/publication.mdobserved 80b39432340b9a3fc791c3c0172979fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:07.957848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004889/publication.txtobserved 8c3e52befb5767b7ef9118ecf6f9053f...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. |
|---|