OpenTechnical

OT-2026-000035422

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000035422) never changes.

Identity and time

Publication numberOT-2026-000035422 · never reused
Internal UUID01a0ae76-6a20-7a40-a8db-ae7f361cd48a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035422
StatusPUBLIC

Content hashes

Canonical textf6ea12e26e4f3af49ed8aaeeb3e0f34128afebc38ceba62dee840b454591d007
Markdown943fd71baf6dce3e8ad974a42b03c58c38878b4f0ec19ba27c6948ef407a29f3
PDF
Publication pagebb5832b2726116d1b4cf859333307d6b6ca469dbc7cd5bff3022ab33aed05ee5
Manifest45ace409fa6c62a23d5e1d27acd783224cf942a8357b568279367910a0e3db8e

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
SignaturegL88l2uoO57GuZ4l3MorwlFPQtPO/qP9C8n08MFOAhEqq8UmdhAFztQORPrmrLBVY2i3AOnA88JgJejin9JHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:43.873811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035422
observed bb5832b2726116d1b4cf859333307d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.856620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035422/manifest.json
observed 45ace409fa6c62a23d5e1d27acd78322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.841451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035422/publication.md
observed 943fd71baf6dce3e8ad974a42b03c58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.823401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035422/publication.txt
observed f6ea12e26e4f3af49ed8aaeeb3e0f341...
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.