OpenTechnical

OT-2026-000036699

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000036699) never changes.

Identity and time

Publication numberOT-2026-000036699 · never reused
Internal UUID01a0ae77-46e8-7179-b297-1f06d1e8fbac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036699
StatusPUBLIC

Content hashes

Canonical text2c624a6a5ef1684292b306af11f5703b96b71bc745460b4faf0b134b742e62ce
Markdownfb9312160d6d071142fc55085f063ce9f3c17b9660506c1e89b608b2c2de3df7
PDF
Publication page022140ed95deb0ebfb5c09aaf92a33746c08e5b586f80fe1f511a1ecb2a83613
Manifest65657a0faa21c4fbba7a1cde18db6624c80213e5053d3da7185726be2ac8cb57

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
Signatureq/wJndrte0oxw7ZBl06sLE6a/6xxioRTdSQDEV3QYqvEvjX02sL1Vy+1WZ/sxDj1K71ohQd/v69GB/qC2JyeAw==
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

2026-09-17T11:26:03.501509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036699
observed 022140ed95deb0ebfb5c09aaf92a3374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:03.485112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036699/manifest.json
observed 65657a0faa21c4fbba7a1cde18db6624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:03.468061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036699/publication.md
observed fb9312160d6d071142fc55085f063ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:03.450464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036699/publication.txt
observed 2c624a6a5ef1684292b306af11f5703b...
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.