OpenTechnical

OT-2026-000075522

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000075522) never changes.

Identity and time

Publication numberOT-2026-000075522 · never reused
Internal UUID01a0ae93-f202-79d5-b772-4aed39cfeae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075522
StatusPUBLIC

Content hashes

Canonical text622bca4bf243e292bdcefaa4482a2bea9fed28004c3603666df382b9df94c0b9
Markdownf27aa490480eb6754d2c5ea48614de7a1f8d0029f2ab33dced0f14d560edc476
PDF
Publication pageaa3cb1820e897d2f2d697df4eb36a80ebc13612b0d9a9fd7949ae6233850d9c3
Manifest7262646f31074371d9db2444abdbabc72f34cb54848c34eb14e9ba2d14b7d22c

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
SignaturecWRQ0bk4Uo8VzoTMSaMDZipQGpw0gt0V5ginct3ysQaySTRcliJGEUg/9ANIkotYBCd4oR2BEtSlHhF5hR42AQ==
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

2026-09-17T10:17:59.502201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075522
observed aa3cb1820e897d2f2d697df4eb36a80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:59.480030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075522/manifest.json
observed 7262646f31074371d9db2444abdbabc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:59.460901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075522/publication.md
observed f27aa490480eb6754d2c5ea48614de7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:59.440831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075522/publication.txt
observed 622bca4bf243e292bdcefaa4482a2bea...
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.