OpenTechnical

OT-2026-000069966

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000069966) never changes.

Identity and time

Publication numberOT-2026-000069966 · never reused
Internal UUID01a0ae91-1860-7973-b566-50ed6d9ffefc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069966
StatusPUBLIC

Content hashes

Canonical texta1c5115405d8da2e9356a779fdb9a4a86a46338769ff8c6cc2ebab9062d9fe43
Markdown82d8bb2887a4f4f2e74f78c4dfb79e7b0a13aa6c518fa8de85be0592c3fd13d3
PDF
Publication pageb0818539f89a5273af28b782c2cef071faf963111840d5978ef7255733734a66
Manifeste985d1133799917cdd3ae9010660554d3806579926496b2f34ce60f71d43aad6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8Zbnroyygvy1uIOlSIm6XrOiLhaTLEyYrenE/7ffmaTPXc2nlaJvJZpSYvPxZrHI8i2yhr4QcX8CztE1UnxGBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:54.464828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069966
observed b0818539f89a5273af28b782c2cef071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.446870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069966/manifest.json
observed e985d1133799917cdd3ae9010660554d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.428531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069966/publication.md
observed 82d8bb2887a4f4f2e74f78c4dfb79e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:54.410756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069966/publication.txt
observed a1c5115405d8da2e9356a779fdb9a4a8...
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 archivePending 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 packagePending Custody packages are produced weekly.