OpenTechnical

OT-2026-000083655

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000083655) never changes.

Identity and time

Publication numberOT-2026-000083655 · never reused
Internal UUID01a0ae98-0416-7935-9fcc-f9c193baa9fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083655
StatusPUBLIC

Content hashes

Canonical text69a2e56590eb567e97e5d0d028c5f14c89b4419e9bafeb25e68546b0ec0bbf46
Markdownfad18a6dc23c02a0d1c6d41098b395463a988fa9753036530198c1c5e8267288
PDF
Publication pagefc6480eaf44f2a781f41ab4d33729b73b5b45abbee0bab9156051911161282b4
Manifest4219b9615ed2f4745c7a150b5fec7aeebd9e14ac0337e062b9d70a48fc1c8ffa

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
SignatureqHCi40vvidf1MwATnTowr4G1bGrAo8QkE8LL3QIInQazxH4dmgtn7bU3tDRUsfrkG8nQDeXzaS+reg09IoJLCQ==
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

2026-09-17T09:57:16.366900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083655
observed fc6480eaf44f2a781f41ab4d33729b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.350749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083655/manifest.json
observed 4219b9615ed2f4745c7a150b5fec7aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.333707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083655/publication.md
observed fad18a6dc23c02a0d1c6d41098b39546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:16.317308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083655/publication.txt
observed 69a2e56590eb567e97e5d0d028c5f14c...
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.