OT-2026-000028757
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000028757) never changes.
Identity and time
| Publication number | OT-2026-000028757 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7df9-bd64-46d225562c98 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028757 |
| Status | PUBLIC |
Content hashes
| Canonical text | b576c20b3504c64a9e5f25aa24638e6b8fd8ea98beb4cb327fa19054c1a65a5b |
|---|---|
| Markdown | f4cee1ce128474fca7b0d1eb8382c15afedbf0f825d4259a001c39397bbd5e7b |
| Publication page | 0dfb6faaf55ea1e3eeaf813a0ab5dd1eb62a90fa39e319eb576b0f95dfe30a09 |
| Manifest | eb2cb5bb22b01a69de38bd4ebda2e38ad8aa7ef743e1ce2b753333ed73b9a676 |
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 | wGtQtnmYZQcMdlyOtq1OKBiHIZfGT27dlHfL9/VAK0xvjCqgqb6RO7sDzQBZ80zRf6mFIODksp1yKNJJksZUBw== |
| 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
| 2026-09-17T11:39:58.579432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028757observed 0dfb6faaf55ea1e3eeaf813a0ab5dd1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:58.562182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028757/manifest.jsonobserved eb2cb5bb22b01a69de38bd4ebda2e38a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.545585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028757/publication.mdobserved f4cee1ce128474fca7b0d1eb8382c15a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.528168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028757/publication.txtobserved b576c20b3504c64a9e5f25aa24638e6b...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. |
|---|