OpenTechnical

OT-2026-000080623

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, sustained 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-2026-000080623) never changes.

Identity and time

Publication numberOT-2026-000080623 · never reused
Internal UUID01a0ae96-7e79-70d8-a4a2-daefd5533444 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080623
StatusPUBLIC

Content hashes

Canonical text2d92216440423391387a70fc9e6d2f9ef1762c3d90a7cb890c32aa8f161b9e72
Markdown50152a384f187ea98988a59522d33c4e8292e0070057189979a8bf39d6cd5b9a
PDF
Publication page90b3a429b5795e07decb96507caee3183c226008ea83bb522b8ee304cec7b58d
Manifest641020c6d16de852139189b2d4e7fecec59d5b562ff87af46f78428c96909f76

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
SignatureVSgqZg2hEvnpNsPZvaFI/iF11l2hGnBun+kdnmz9MOgbUt1Ej06vhcFHfyTSMHedckWSV+A7nvRsy7WvqW/ECA==
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

2026-09-17T10:03:16.214556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080623
observed 90b3a429b5795e07decb96507caee318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.183364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080623/manifest.json
observed 641020c6d16de852139189b2d4e7fece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.159953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080623/publication.md
observed 50152a384f187ea98988a59522d33c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.130472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080623/publication.txt
observed 2d92216440423391387a70fc9e6d2f9e...
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.