OT-2026-000028641
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000028641) never changes.
Identity and time
| Publication number | OT-2026-000028641 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7d33-a906-a147f99c14ca · 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-2026-000028641 |
| Status | PUBLIC |
Content hashes
| Canonical text | c5f52953e75e299ffc3b682fb30be78f1a1b91ebfa065c630ed9893ba0b5eeb9 |
|---|---|
| Markdown | bc33a50909c36eb4d726f3fbb143ac08c20d72841de7299d51fd5bb2fa143579 |
| Publication page | d1135650503d0e7e3f6709e26bfbe0c4e34f27c43ae684447ae479c07b0cf8ed |
| Manifest | 8940803fba0c996bd0ebc1d857cbd0c64a97397591c8edf83e4cd1b2242d6938 |
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 | 9fmbzHGUdd6qSi6m0uZyLaBNbv4PRBtUGr/J8dtW0wisPl/vHxANG+KAAV9gcoJJRt7+GsGVID5eBj8WnooXCg== |
| 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
| 2026-09-17T11:41:30.783084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028641observed d1135650503d0e7e3f6709e26bfbe0c4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:30.764770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028641/manifest.jsonobserved 8940803fba0c996bd0ebc1d857cbd0c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.746062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028641/publication.mdobserved bc33a50909c36eb4d726f3fbb143ac08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.711104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028641/publication.txtobserved c5f52953e75e299ffc3b682fb30be78f...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. |
|---|