OpenTechnical

OT-2026-000084582

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000084582) never changes.

Identity and time

Publication numberOT-2026-000084582 · never reused
Internal UUID01a0ae98-e25b-7950-962b-a1561bd71363 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084582
StatusPUBLIC

Content hashes

Canonical text5a5fb58dd3d856b81bae75325f5109da468d660612c62e3a709a38fffe9a92bd
Markdowned30bf4cf89d1d63e4b063f5c5eeb72870007d30d8dc63f74edabb477f5c7f81
PDF
Publication pageef43be707b5e269141d7233bc9f867d6c1a9938ce7346f27d482fd427bde862f
Manifestbada08d0c38089d4a0c4f97e32d48a07cbf98e472e131f568f86bd2156e910e1

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
SignatureOFxDYsYotkIJ5d30ntVtD7+NEw/e0bQdqTys+jxnm2i6tmRNJxEhgiulVDeCy2fUlpM9PSacIzou/CTH4epdDw==
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

2026-09-17T09:55:28.898148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084582
observed ef43be707b5e269141d7233bc9f867d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.880147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084582/manifest.json
observed bada08d0c38089d4a0c4f97e32d48a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.863207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084582/publication.md
observed ed30bf4cf89d1d63e4b063f5c5eeb728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.844057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084582/publication.txt
observed 5a5fb58dd3d856b81bae75325f5109da...
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.