OpenTechnical

OT-2026-000009899

Publication integrity record

Six cup vacuum gripper, six 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-2026-000009899) never changes.

Identity and time

Publication numberOT-2026-000009899 · never reused
Internal UUID01a0ae6b-cb78-7ee0-a8a6-c95b6d3b740b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009899
StatusPUBLIC

Content hashes

Canonical textfda677930a65f5e957a4ce5d3a61c11ce118595c5f8842b933330e37a8747c86
Markdowna9abb8fe6ea43903aa1c73f82a53b176750dbd820db0e0f5c61506f670340579
PDF
Publication page8a6dbe613695bbd6049bac9cde4c9b82e6ef5c377a46c6dd5e6f31c38e521d79
Manifest42fca9676be455fabf1b8f592ba901ff376c2b5adfdddcd1ee0b720932602e20

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
SignatureJoAqSS/TyYKwXpXpz7LynGgZ63vLuVQ5ma1lv4vZ2u3PgI3Yc4EhxP5TOEzXEK7Wvwm38mU6anZZujRWSMMmCQ==
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

2026-09-17T12:15:54.743657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009899
observed 8a6dbe613695bbd6049bac9cde4c9b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.723521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009899/manifest.json
observed 42fca9676be455fabf1b8f592ba901ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.703425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009899/publication.md
observed a9abb8fe6ea43903aa1c73f82a53b176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:54.686217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009899/publication.txt
observed fda677930a65f5e957a4ce5d3a61c11c...
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.