OpenTechnical

OT-2026-000071138

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000071138) never changes.

Identity and time

Publication numberOT-2026-000071138 · never reused
Internal UUID01a0ae91-e0eb-74d2-900f-90dcd96401da · 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-2026-000071138
StatusPUBLIC

Content hashes

Canonical text41960c57aefdef18c85d5e44123528b7a372efbeb647ab2b296acd6b33a7834a
Markdown44c11b62953ecf042f9bf763cf5c0f03a06da81dd5591d469a9b7811919013df
PDF
Publication page1d992364e911dcfa18d5106c5f784d9e2bd7da9c53613df9a94505d8e56e7d18
Manifestae7a23d7daa7abf6d74290cdac937e56ee09696795c3215381b4068e210e21ec

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
Signatureqkcvj7FVCa8bER6rt87bx/uTJvyXxXftoM+HW+UfcHkpouFOf173R2onHzw6silHDxrdBsCxau9JbiH7U4u1Ag==
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

2026-09-17T10:24:38.377458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071138
observed 1d992364e911dcfa18d5106c5f784d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.358213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071138/manifest.json
observed ae7a23d7daa7abf6d74290cdac937e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.340870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071138/publication.md
observed 44c11b62953ecf042f9bf763cf5c0f03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:38.321538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071138/publication.txt
observed 41960c57aefdef18c85d5e44123528b7...
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.