OpenTechnical

OT-2026-000062789

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000062789) never changes.

Identity and time

Publication numberOT-2026-000062789 · never reused
Internal UUID01a0ae8c-6389-786d-92a4-b77c0fd75fb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062789
StatusPUBLIC

Content hashes

Canonical texta7ec20dee5515e68ba633bb27f4811c8fef89f63b941039e855573abe22e9d56
Markdownc2a52f1d5778457c5ff9cf821d4b43e5618ab1b412d7519ca57899917a7f2efe
PDF
Publication page171a91166e58b254d21e0e7739eebe94c3967b8032c0e9ad3038c3928f32f38a
Manifest2c64ed4ac106a8e24b22cbb6ddd6d78b4292c0c895cf59b823d1bb21af8bfde6

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
SignatureRGH+AcoSxDIp1WHkrOPWV6Mitf0Y6lYU1CEPTikPRX9CSnQT4LTYr44rpNgeUeYo+av5YsKqMv7fUkPr5jSzDg==
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

2026-09-17T10:39:22.721280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062789
observed 171a91166e58b254d21e0e7739eebe94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:22.704281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062789/manifest.json
observed 2c64ed4ac106a8e24b22cbb6ddd6d78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:22.685912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062789/publication.md
observed c2a52f1d5778457c5ff9cf821d4b43e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:22.668252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062789/publication.txt
observed a7ec20dee5515e68ba633bb27f4811c8...
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.