OpenTechnical

OT-2026-000097257

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000097257) never changes.

Identity and time

Publication numberOT-2026-000097257 · never reused
Internal UUID01a0aea1-01ca-7b03-9549-b3a748507059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097257
StatusPUBLIC

Content hashes

Canonical textc68faec9b6158318217fd0be33377cf5fb4bd366b60981c0a62f19f6486c6732
Markdownd664ca50c7af9ee46f254658b69179f70d305cfdca991cfaa15d1823cdcddce1
PDF
Publication page671a3222dd517f0bb2046f2ed8c2cbad538e738af4f5de50cf127d07e7d12036
Manifestc163e398f429ed62ef7517976ca4f6faa2d38b3e37717b7fe0c4c7d9de72e028

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
SignatureMIMZHViRnd7hQq5p55RoEtEFoh6GlcpTc7LSG6QxYr3GZvOlAT549RJBlJRIbJLc1V8ypWAGELkLUUpKRRaAAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:30.742942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097257
observed 671a3222dd517f0bb2046f2ed8c2cbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.725364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097257/manifest.json
observed c163e398f429ed62ef7517976ca4f6fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.706163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097257/publication.md
observed d664ca50c7af9ee46f254658b69179f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:30.688122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097257/publication.txt
observed c68faec9b6158318217fd0be33377cf5...
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.