OpenTechnical

OT-2026-000088267

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000088267) never changes.

Identity and time

Publication numberOT-2026-000088267 · never reused
Internal UUID01a0ae9b-5d26-7b6b-a4c9-f60d308da4c6 · 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-2026-000088267
StatusPUBLIC

Content hashes

Canonical text8b72d2b023b039825f55c61051b6daaeb0c21324fee224e12d95644a4214aa3f
Markdown63037b85527811d494ce0bf915f73cdfd2cdc2a99a414b1c1107597b21ade4cb
PDF
Publication pagee6f66cddd06469fa6910d8c87a7e43bbec9eb8ad3f15a9c75329a5a6fe8933ed
Manifestbefcd0edc72725fef8e4205bc8a3478fda3f37c0ff8304f99cb38a779bcd719a

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
SignatureOYVX7KZSNa6zAFnfijnV7M8TEQdQiCn5gUfFwZWwcvz91I9zK6m6VS0OQZ/7Q231YJUyRszZ7kwWF70APCpmCg==
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

2026-09-17T09:48:34.418532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088267
observed e6f66cddd06469fa6910d8c87a7e43bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.401329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088267/manifest.json
observed befcd0edc72725fef8e4205bc8a3478f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.384400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088267/publication.md
observed 63037b85527811d494ce0bf915f73cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:34.367701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088267/publication.txt
observed 8b72d2b023b039825f55c61051b6daae...
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.