OpenTechnical

OT-2026-000091114

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000091114) never changes.

Identity and time

Publication numberOT-2026-000091114 · never reused
Internal UUID01a0ae9c-f16b-73fd-8496-ada76a23f45a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091114
StatusPUBLIC

Content hashes

Canonical textc6f79838ea64fca305842f6fccf6d90dab8de03a1c40560449a4656c77c2e698
Markdown8af1c7020884caa0a8cf73318e4e9e3e41be3d1f37449a925c485bba0266550a
PDF
Publication page7e4bddcaa1b2b900bb15c240fc13ab2ff571b72d18b18032e31eadfc8876a616
Manifest48bb933e3cb534d195eb0717b98c5b0c64be0f3f3b65013399e1c3732a7c1bc1

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
SignaturewCN+XV34w8YvPXf09WT+J5fXiFXe+xNcD36cSE5VW3fOTamQnVnZeBOv/zc5RQVUBzaJePWCHU4zZ7lNSvLdAQ==
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

2026-09-17T09:43:16.001594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091114
observed 7e4bddcaa1b2b900bb15c240fc13ab2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:15.982739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091114/manifest.json
observed 48bb933e3cb534d195eb0717b98c5b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:15.964846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091114/publication.md
observed 8af1c7020884caa0a8cf73318e4e9e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:15.947780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091114/publication.txt
observed c6f79838ea64fca305842f6fccf6d90d...
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.