OpenTechnical

OT-2026-000092331

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000092331) never changes.

Identity and time

Publication numberOT-2026-000092331 · never reused
Internal UUID01a0ae9d-875b-739f-866f-6bccf8da929e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092331
StatusPUBLIC

Content hashes

Canonical textd77976fbb9bf6c650e9017e18596e71b1bb3ef8d267928670ef8bde95eeadc06
Markdown0c22d8b6091160f7cda1d18c71b47b685b5174bdc35f28bd0bae13906994e834
PDF
Publication page47d5cec6bd5defd3c8a50dc6993443607aa68eae85dbac500b94f8073a57a376
Manifest400b7d13b8bfd5ea49b41734fcac711910547a01e6a53cf988890d6cf1f32998

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
Signaturevmwz62qYnGuRSILF1Y1Z5yqyVGiwQvEeLdgqC69y9+xfz6g8LYnXmoyHvKca2g/CN2tEGDuLtwbXdg9H6bx8AQ==
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

2026-09-17T09:41:52.645347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092331
observed 47d5cec6bd5defd3c8a50dc699344360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:52.628348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092331/manifest.json
observed 400b7d13b8bfd5ea49b41734fcac7119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:52.611072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092331/publication.md
observed 0c22d8b6091160f7cda1d18c71b47b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:52.593931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092331/publication.txt
observed d77976fbb9bf6c650e9017e18596e71b...
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.