OpenTechnical

OT-2026-000076999

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000076999) never changes.

Identity and time

Publication numberOT-2026-000076999 · never reused
Internal UUID01a0ae94-b071-7554-95aa-1c1488d2c9c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076999
StatusPUBLIC

Content hashes

Canonical text9e3b2a9bf63f2c831801377a0af70718b10f745ab3773fc3a814cf50797e8881
Markdown410b73e3fd8e4c3c9c492295a8a15c6919b06369d0d0037c6909371d2127b47c
PDF
Publication pagef0bcd3b1b833558e346630cb4cb77a19e37cd6250e7190a1e0b1019824cc3b1b
Manifesta1aeb4a304505294d0dc143dce6ebceebf0293d7c39fd5ba13a408ec967b6554

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
SignatureBLe86aF9RXYBxA/k6V2/S+PpZHAyUOreKoGbWcnpEcE5qRQ0aYtMaVCfbzIKmqKKvCVq/0zVC5uXXOpqK2A6Cw==
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

2026-09-17T10:10:20.262941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076999
observed f0bcd3b1b833558e346630cb4cb77a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.245877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076999/manifest.json
observed a1aeb4a304505294d0dc143dce6ebcee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.227155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076999/publication.md
observed 410b73e3fd8e4c3c9c492295a8a15c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:20.194216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076999/publication.txt
observed 9e3b2a9bf63f2c831801377a0af70718...
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.