OpenTechnical

OT-2026-000073750

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000073750) never changes.

Identity and time

Publication numberOT-2026-000073750 · never reused
Internal UUID01a0ae93-2b8d-7ad1-b82f-b34408838a1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073750
StatusPUBLIC

Content hashes

Canonical text9b524779a173b3d8b5972c0baf70aabb8895e19ae3ba1ddd32f23d758f93b45b
Markdowncfa0af1dd54371cc0e518a82d92ed8412b7ef3ac0b5ff0a2253399549c5b0fc4
PDF
Publication page4e06c1cc9fdbcbc56798af567ebd16b4b0d2a9607d57c15482a8dfde0824edcf
Manifestab6ee00ff39b81308b06f9fa855dd2651c2b977767af4a532ad3d7aaeab92ce5

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
Signature/4bJBl7u4V7CeqcQALlRsEUKADVXOj12AdxzLYTNLc2DMFyTakF2pcM0JaUMoGu/RQWgZdsG/fLMjx/TQzKjDw==
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

2026-09-17T10:19:50.253969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073750
observed 4e06c1cc9fdbcbc56798af567ebd16b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.233794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073750/manifest.json
observed ab6ee00ff39b81308b06f9fa855dd265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.213673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073750/publication.md
observed cfa0af1dd54371cc0e518a82d92ed841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.193197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073750/publication.txt
observed 9b524779a173b3d8b5972c0baf70aabb...
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.