OpenTechnical

OT-2026-000008447

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000008447) never changes.

Identity and time

Publication numberOT-2026-000008447 · never reused
Internal UUID01a0ae6a-e46a-75b4-8829-62b116c1d375 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008447
StatusPUBLIC

Content hashes

Canonical text70fa2f2da894d0bac2b4e8a968036549bc2aebab6d54ab8a121c6639cb2f89a7
Markdowna8dfd3d494dd85edb6815cd759faed1f19db83dcb7e9dbafae9d15678d5096cd
PDF
Publication pageaf1071a8439fef85fd02b10af7d72009873725b7c208d43e167a70d4f9b2533a
Manifest62c421447eab4b27132ec6dd3d36762950ffadc6bacf6b4b00b0e18f4ea6e280

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
SignatureE+SrHOeFogMgB6lEDsK6LD8R7wNDZTtHN18vDuHNaFIvuJkaF9DpK88OJFZOXkyIxqtSdPMrCgqBdHWaeQz8DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:19.815950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008447
observed af1071a8439fef85fd02b10af7d72009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.794663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008447/manifest.json
observed 62c421447eab4b27132ec6dd3d367629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.774867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008447/publication.md
observed a8dfd3d494dd85edb6815cd759faed1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.755335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008447/publication.txt
observed 70fa2f2da894d0bac2b4e8a968036549...
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.