OpenTechnical

OT-2026-000088293

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000088293) never changes.

Identity and time

Publication numberOT-2026-000088293 · never reused
Internal UUID01a0ae9b-5d26-767d-8a84-7729d012cde9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088293
StatusPUBLIC

Content hashes

Canonical textf1406ee969ac81d88978ecde528eebffa12fad65d1592fc9765d2c488ddfedfd
Markdownf25793b274d629509cbb757ea3cf1c68394805c61869d75e45fae661cfd0dc43
PDF
Publication page1cb8a2d683d33261a8147507029973a3260f014e2ed363ca7e2d19f6b8ee1aa4
Manifestd9b6c203048682d90505e971ba0230d087a385df1924f589b3a9be887d530e8a

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
SignaturexI8rdmVmR1TUryKsWa6HpGvbAT/xXc0ibnlaz624MMwjnFNwMUFpUObpDifrXrdgzn04Vknv6tTU1qHdDZkEAA==
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

2026-09-17T09:48:37.504875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088293
observed 1cb8a2d683d33261a8147507029973a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.487770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088293/manifest.json
observed d9b6c203048682d90505e971ba0230d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.471343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088293/publication.md
observed f25793b274d629509cbb757ea3cf1c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:37.453981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088293/publication.txt
observed f1406ee969ac81d88978ecde528eebff...
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.