OpenTechnical

OT-2026-000097246

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000097246) never changes.

Identity and time

Publication numberOT-2026-000097246 · never reused
Internal UUID01a0aea1-01ca-7722-a027-943152001d6a · 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-2026-000097246
StatusPUBLIC

Content hashes

Canonical textefb75a5b46eb224c749f4719d2fe7a0bc5b3bd7c67cb99d7c7f4b042a531f31b
Markdownd8688ca9fb9950698b793bdd2c8e4d98c3b95f06ce33a03128d1176915e0e519
PDF
Publication pagebb4f45cbbf7e43956b9778b8c714c6adaa0a867e71120ded77ae81b51dd659a6
Manifest30d91ac7db61db92ee7589a633ddd351bed430e17e46b257e6d2162906413ebb

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
SignaturerpnOpwxjDocy+X+VdpSKneloseqekGRSgZKUMSp6k0N1w6bdSilkSw/9uZtqQF+JyJsC6O1mQM25ayjoi3HnBQ==
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

2026-09-17T09:33:29.900150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097246
observed bb4f45cbbf7e43956b9778b8c714c6ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.882724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097246/manifest.json
observed 30d91ac7db61db92ee7589a633ddd351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.866504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097246/publication.md
observed d8688ca9fb9950698b793bdd2c8e4d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.849264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097246/publication.txt
observed efb75a5b46eb224c749f4719d2fe7a0b...
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.