OpenTechnical

OT-2026-000009577

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000009577) never changes.

Identity and time

Publication numberOT-2026-000009577 · never reused
Internal UUID01a0ae6b-7563-7429-995f-ecebb5221fe8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009577
StatusPUBLIC

Content hashes

Canonical textf91f5c31d08881f4d899b6f98437c8cd90aa9a3a626015cfcf2d0abbcaca4f28
Markdown8178aa9a2b3781b2f470ef399806db8256b5f34331159be55cd19aa196301efa
PDF
Publication page0e50e83b6f0b89dbf77e92eb9dfe7fefdc23b431a8893ec82428308d14521f2d
Manifestb97cda94ce616b4ba4347dae201c3ea2edc4a5063df14438091fcaa913b0c459

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
Signature4HbDqq29vAvfbBjxBdXXLqWsibsJGuJQcFqBJmG2nNy1SA2un3QwnEZuvBBT17VmLs/byFv3UrRrGTVlx3AtDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:00.887367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009577
observed 0e50e83b6f0b89dbf77e92eb9dfe7fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.867924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009577/manifest.json
observed b97cda94ce616b4ba4347dae201c3ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.847055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009577/publication.md
observed 8178aa9a2b3781b2f470ef399806db82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.826763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009577/publication.txt
observed f91f5c31d08881f4d899b6f98437c8cd...
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.