OpenTechnical

OT-2026-000084272

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000084272) never changes.

Identity and time

Publication numberOT-2026-000084272 · never reused
Internal UUID01a0ae98-5b60-75e5-943e-224cc467da77 · 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-2026-000084272
StatusPUBLIC

Content hashes

Canonical text4bea96c238d05dd66040a3216c60175d4842e96eccf6603c36a4ccd5b0c2cf9b
Markdown6b3586d83d6695e228536375bbf9dde790fd006adc5eb4abd5a13d5913e254a5
PDF
Publication page853d564973b3239a4fdb798f49c7d4f71f37f089a0c85a5a22204f7eff7cf23b
Manifest4b8cebf83c2ed3323c68b5278ce12b24d58a8fe941847951e13c5713d8bbd43e

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
SignatureV1PUS3iykg7LSbaT3JfbJLrys+obV0Q+Mn7doZwb8KN/PsRptkJaRb2E+o0jueNDhj3z3+mGFDcUmPMF1im0CA==
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

2026-09-17T09:56:11.335650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084272
observed 853d564973b3239a4fdb798f49c7d4f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.318547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084272/manifest.json
observed 4b8cebf83c2ed3323c68b5278ce12b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.299565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084272/publication.md
observed 6b3586d83d6695e228536375bbf9dde7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.281350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084272/publication.txt
observed 4bea96c238d05dd66040a3216c60175d...
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.