OpenTechnical

OT-2026-000012301

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000012301) never changes.

Identity and time

Publication numberOT-2026-000012301 · never reused
Internal UUID01a0ae6d-39f5-7c71-8bbd-71bde453d00b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012301
StatusPUBLIC

Content hashes

Canonical text3f70f2893a70849c6864d8db015fd7ed69c585393b135553a319db6bae611248
Markdown714d856d20ebe71aec6b5566e85294c0985e9e9fb5e40b27870b63356682e066
PDF
Publication page4e8f96c4216141c046101ddd2dd9d3e5b124a479fc74257b03af8425dca6d4b4
Manifest499eab09d9b6d054743c834ee98f42762dead6694876325f538d1c2b7df35af4

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
SignaturevPw1B7Xhbm7dOBNg0o/ugmX8+cF88Ky0PJWEU+46SfM9qoHlUs+LQgxE2aqo8v7LFVHV5vuCpQuqulgRxrJVBw==
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

2026-09-17T12:11:14.657167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012301
observed 4e8f96c4216141c046101ddd2dd9d3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.636481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012301/manifest.json
observed 499eab09d9b6d054743c834ee98f4276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.617397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012301/publication.md
observed 714d856d20ebe71aec6b5566e85294c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.597666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012301/publication.txt
observed 3f70f2893a70849c6864d8db015fd7ed...
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.