OpenTechnical

OT-2026-000071329

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000071329) never changes.

Identity and time

Publication numberOT-2026-000071329 · never reused
Internal UUID01a0ae91-e0ec-7eef-96cd-915c33465552 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071329
StatusPUBLIC

Content hashes

Canonical text53b6a95e27496fcfd74afde56cb12e8db45c035b9fcd85cf8fabf715154e9a0b
Markdown1f67d1d38952dab2555fb6e5be79e8a3be1a5116de96fad36ab4672fc0f0f4c5
PDF
Publication page84484f202638b167b9c72e92465e7c3b132ca005a112ea140f81b707e0696994
Manifest2aa6a42242bc933b24c5c1c20c30302c3c2dcd710f5d225dad2ef3384ce3bd28

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
SignatureGO/AA1YkFO4aP475hct7y3zhrM7nzqkL/hkqUn1/3Uz4kqgWEFlxJzsRb0tzo0wDQszeC94pkMdTbQJIrW03CA==
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

2026-09-17T10:24:55.485520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071329
observed 84484f202638b167b9c72e92465e7c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.467614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071329/manifest.json
observed 2aa6a42242bc933b24c5c1c20c30302c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.448628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071329/publication.md
observed 1f67d1d38952dab2555fb6e5be79e8a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:55.431408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071329/publication.txt
observed 53b6a95e27496fcfd74afde56cb12e8d...
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.