OpenTechnical

OT-2026-000076220

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000076220) never changes.

Identity and time

Publication numberOT-2026-000076220 · never reused
Internal UUID01a0ae94-6a6f-78a7-91de-ae77f04e9b65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076220
StatusPUBLIC

Content hashes

Canonical textcc06eecef6ac0b72c2111ccd7d8e56f9860b417d9dedbcb0626fc38d65066b60
Markdown3318d6524c622179cbad3332505af5972074caddc171b76a9e873633907e8186
PDF
Publication page582ac7c77e6776487d7e1d87312930f9ee19b45fe3b2d69dc2a1549fd056cb29
Manifest2c20e6cc08335c98db89e5d3df757e294992b228e6f888eaa8354653f567534f

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
Signature9NqxwVbDKCsV8EchCaGuzseBjl/6fSZxaHNki536F6IssV4V3VAT/OC/q40ciFAERJdVvCEVSFSBTmePDbKDAg==
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

2026-09-17T10:11:36.786409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076220
observed 582ac7c77e6776487d7e1d87312930f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.767909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076220/manifest.json
observed 2c20e6cc08335c98db89e5d3df757e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.750336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076220/publication.md
observed 3318d6524c622179cbad3332505af597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:36.732229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076220/publication.txt
observed cc06eecef6ac0b72c2111ccd7d8e56f9...
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.