OpenTechnical

OT-2026-000084375

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-2026-000084375) never changes.

Identity and time

Publication numberOT-2026-000084375 · never reused
Internal UUID01a0ae98-5b62-7fb6-bb50-22d44d11de9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084375
StatusPUBLIC

Content hashes

Canonical text5dfc57ee92d06eebbe99f16ca3282ac9d537b4ce03dd23086b768ec2640ceecd
Markdownb7c1669a7f07345329943a3f4517fb931f09d58a6b8312c61bd1bc2bd7552e1a
PDF
Publication pageb4a1e445e137b1c68bf8f024f7c5c6b3a9c71b1fd7d4f4dd60318493a0fb12b2
Manifest1bc54aa105ed316804e448fb0ff1136d364610d66500ff82cedd03eb431b3129

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
SignatureIDME1nMRiCl78kaEgsQZuvJbQ8t/IOZ1cQrH8SBXXDUz6o1th2Npi8QVrDH4RmCkBbQjLNWM5V0L/DkAbO/QAw==
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

2026-09-17T09:56:18.849306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084375
observed b4a1e445e137b1c68bf8f024f7c5c6b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.831568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084375/manifest.json
observed 1bc54aa105ed316804e448fb0ff1136d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.814143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084375/publication.md
observed b7c1669a7f07345329943a3f4517fb93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.796077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084375/publication.txt
observed 5dfc57ee92d06eebbe99f16ca3282ac9...
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.