OpenTechnical

OT-2026-000036387

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000036387) never changes.

Identity and time

Publication numberOT-2026-000036387 · never reused
Internal UUID01a0ae77-01d1-716b-a92e-5991fce298b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036387
StatusPUBLIC

Content hashes

Canonical text6ffdb4fa44ee7169f102f2bc193077488b0ab61c56104c78250da9f146a8dfe9
Markdown306ec754d62f163a6bd8a3dc9c38cb016621ab12c7b539ba767ccc9785ea78a5
PDF
Publication page66f8e66c516329e3733c935eb4cc59395b85138a4848f666503e0794e7019b9f
Manifest6d845dbb8a0bed647805ab412d3d765e48c44362820977e38aa09d2e5a548db9

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
Signature37fnZ63zMrsWNK7ff4+ZTS+IKQQuntVO+lJA0vY14+JPIRqE+rkMQWfhH/kiFplA1oMNq30vkTz89gni4kN7AA==
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

2026-09-17T11:26:46.165128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036387
observed 66f8e66c516329e3733c935eb4cc5939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:46.149447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036387/manifest.json
observed 6d845dbb8a0bed647805ab412d3d765e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:46.132010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036387/publication.md
observed 306ec754d62f163a6bd8a3dc9c38cb01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:46.115578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036387/publication.txt
observed 6ffdb4fa44ee7169f102f2bc19307748...
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.