OpenTechnical

OT-2026-000015035

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000015035) never changes.

Identity and time

Publication numberOT-2026-000015035 · never reused
Internal UUID01a0ae6d-d096-7695-b340-514284fc9b8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015035
StatusPUBLIC

Content hashes

Canonical textfe629c471c2fd188cbb2ccc098222cf01a4c81cd7b305190b9d73de7dfcf651c
Markdownc4bf77605492deed18e2f96b32fd43a8764463b2833754e2bdd32aca51994474
PDF
Publication page1da4a87f1edfdeaeae0e50b72a354e9eb695a56298b4218eb273eb073d68e80a
Manifest2d5f7dfb44610611b975dcbb4d729b016160e17db70f14b74733cb4e6717ef26

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
Signature90K+JxOpRhuFZ7N9PPWJuQDBDfp9K560GLq3d+kP+Z1zL+MGyPUl6bxaX5I0zucu5Ajac2CZYOyn4xXYSHRDBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:00.894210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015035
observed 1da4a87f1edfdeaeae0e50b72a354e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:00.873413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015035/manifest.json
observed 2d5f7dfb44610611b975dcbb4d729b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:00.854175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015035/publication.md
observed c4bf77605492deed18e2f96b32fd43a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:00.832681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015035/publication.txt
observed fe629c471c2fd188cbb2ccc098222cf0...
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.