OpenTechnical

OT-2026-000011027

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, vented after 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-2026-000011027) never changes.

Identity and time

Publication numberOT-2026-000011027 · never reused
Internal UUID01a0ae6c-540e-7c54-b1e8-5d6490b7b36b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011027
StatusPUBLIC

Content hashes

Canonical textee07b1cea0d8a994e4929ee4709ce0bfe6d669828a2737007dabd013815f694e
Markdowna909b3cb21f5225e78ab07fbfbbb816d43691853d1225b573508340441366ca1
PDF
Publication page9fa604325fd6a486739015042d541c34b35725ff632a81a44e12cae043310ac9
Manifestf3019eb42aa6f487d94fc2f89255c4a68b46f5610cac0fb7d824a15136740baa

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
SignatureSINL+hS0fF3LekB0WZZojvgolCiBATrzfWuD9F9XJmqkax9SG35qpiCS+ag0lihOkNux6/s1PiHyD8xL2qOOCA==
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

2026-09-17T12:13:51.132541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011027
observed 9fa604325fd6a486739015042d541c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.112583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011027/manifest.json
observed f3019eb42aa6f487d94fc2f89255c4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.091822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011027/publication.md
observed a909b3cb21f5225e78ab07fbfbbb816d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:51.071843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011027/publication.txt
observed ee07b1cea0d8a994e4929ee4709ce0bf...
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.