OpenTechnical

OT-2026-000086249

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000086249) never changes.

Identity and time

Publication numberOT-2026-000086249 · never reused
Internal UUID01a0ae99-e82c-74ce-956b-b2be3fca133c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086249
StatusPUBLIC

Content hashes

Canonical text38f13fddefb67d1b44148e85dcc499919a05a2c73fbdf4340a1aa9152773ed90
Markdownd169e9838de7a246a032d84982840bbc39300828d815a4a5d1f7e760bd534e21
PDF
Publication page921cf7fb6a6dd82a3bed5aecfabdd9b32cac22c4ce4569e7fbf11cda065a4a39
Manifest0cc55bce1efc1f70c72fd3ce1091014985c2f0641749263647c7fd918731b57a

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
SignatureOqG99iyLIRIf5OBQ2/OTWIGIcaB3QHG6K0mAGZ4veW28JGQmggagYuRYTZdog+wEiLEPt4vKlc4j9WAiGnW+Dw==
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

2026-09-17T09:53:56.521986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086249
observed 921cf7fb6a6dd82a3bed5aecfabdd9b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.501576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086249/manifest.json
observed 0cc55bce1efc1f70c72fd3ce10910149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.484209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086249/publication.md
observed d169e9838de7a246a032d84982840bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.465524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086249/publication.txt
observed 38f13fddefb67d1b44148e85dcc49991...
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.