OT-2026-000021548
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000021548) never changes.
Identity and time
| Publication number | OT-2026-000021548 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7f7b-87ad-ee1d0bfcd448 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021548 |
| Status | PUBLIC |
Content hashes
| Canonical text | 92bd2b3163338e8b67483315724d82972153f8d7001a99e70b3a1c4a7ba38444 |
|---|---|
| Markdown | 75a6506464d994904f18d06bed8a48dad6efdbe69a24c820fc83f3becccf4be1 |
| Publication page | e8c786217a2c51097a12719acc91467fa14f694affbc9ec98bc530b7dd47942a |
| Manifest | 9a2dd79645fd4ea3a1827ed9d506e170829122f739cd7a82311dce9dda3e32fc |
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 | K/5y8/imGUugES/3fUMnRYpG4LAbV1N6SpbCNWyFWgiY01dJC65cVrON7bkr6Z6usCBdMKxCvpW+rQ87d8fjBA== |
| 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
| 2026-09-17T11:55:28.202494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021548observed e8c786217a2c51097a12719acc91467f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:28.185862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021548/manifest.jsonobserved 9a2dd79645fd4ea3a1827ed9d506e170...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.169334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021548/publication.mdobserved 75a6506464d994904f18d06bed8a48da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:28.153484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021548/publication.txtobserved 92bd2b3163338e8b67483315724d8297...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. |
|---|