OT-2026-000019570
Publication integrity record
Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000019570) never changes.
Identity and time
| Publication number | OT-2026-000019570 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-7503-8349-9a2db103a433 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019570 |
| Status | PUBLIC |
Content hashes
| Canonical text | 12ce41918d3d2103390c1f2a5722942bca7232ac6ec2cc7ecdf8c0cd5ddfa74e |
|---|---|
| Markdown | ec301da7f6e125537e9f1634b75fc7ea3366b2f83cc5a5ff5ad74de7222d42f9 |
| Publication page | 5103cc816511c33ba4c1bb8851a957bb86255bb2d7e171b046047914cba46ac3 |
| Manifest | 26af6dd29ce7296a670d4b0439e6b476e5608f9a88a01540f982d8bd094aa1e1 |
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 | tgKcfx8C3lx8Efsz8V1Q0s2Xpdq/rwErHxpoL9nkzUdDn+SPfRtdWGNNPuX8CmnBtsCkzT6CDGDSxuJrpiI0Cw== |
| 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
| 2026-09-17T11:59:01.014507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019570observed 5103cc816511c33ba4c1bb8851a957bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:00.997723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019570/manifest.jsonobserved 26af6dd29ce7296a670d4b0439e6b476...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:00.980710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019570/publication.mdobserved ec301da7f6e125537e9f1634b75fc7ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:00.963698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019570/publication.txtobserved 12ce41918d3d2103390c1f2a5722942b...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. |
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