OpenTechnical

OT-2026-000080561

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000080561) never changes.

Identity and time

Publication numberOT-2026-000080561 · never reused
Internal UUID01a0ae96-7e79-78ea-9490-3e5896c60c3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080561
StatusPUBLIC

Content hashes

Canonical texta8756ee080b9a4edf9c90b5f4bcbdce6d4b0deba6c0682fd1007e8c0d71afcf5
Markdown5282b95ac853998e44d10910cb133eb628c98e9c033d44806b536089e468bb78
PDF
Publication page0c0ec5c3fa2b4a4a0b2bcbb10f1b3eab56746dfcda873420d4946b55ca091a42
Manifest551c541a59653b0a668a5a4faa9c164fd3639215b0a9774d00b08d4c0d04d751

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
SignaturecaLA3DVKtJqkhUtYtscWgQa6NY7TXYypRF9vJtRaRKaBell+2otHV7h8AjPSVMliVa7rF93ZW+JHU0nu4s9QCA==
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

2026-09-17T10:03:11.491221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080561
observed 0c0ec5c3fa2b4a4a0b2bcbb10f1b3eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.470471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080561/manifest.json
observed 551c541a59653b0a668a5a4faa9c164f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.450432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080561/publication.md
observed 5282b95ac853998e44d10910cb133eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.430356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080561/publication.txt
observed a8756ee080b9a4edf9c90b5f4bcbdce6...
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.