OpenTechnical

OT-2026-000015373

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000015373) never changes.

Identity and time

Publication numberOT-2026-000015373 · never reused
Internal UUID01a0ae6d-ef49-78b0-8646-3aaa1a49d712 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015373
StatusPUBLIC

Content hashes

Canonical texta72ca1321ce070a5403744dc430fa9c90aa81ec7670b58a39a37af05bd390afa
Markdowne4e1760a1c3f6cf29d17e163772c5b2abb1fdd48bf67f43e65f97a425e7e417a
PDF
Publication page69a6e7bd16039ba48a631cb1a17f4665a0f6d20da3c0fb00011ddd5cc67a9eb8
Manifestfe9aa3b35e5db1c2f064271dbcdef5d606b4c9d378593cf56a11f7bef459af20

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
SignatureK/xt78ON8ytvuNXpffFCKKxPAHEpJjUUoHrxpDXZ8P6Zzasbq7CZXhh3nv4IXEWwDGhNC34vYuLd9AfpOEpgCQ==
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

2026-09-17T12:06:05.265419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015373
observed 69a6e7bd16039ba48a631cb1a17f4665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.246692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015373/manifest.json
observed fe9aa3b35e5db1c2f064271dbcdef5d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.228384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015373/publication.md
observed e4e1760a1c3f6cf29d17e163772c5b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:05.210114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015373/publication.txt
observed a72ca1321ce070a5403744dc430fa9c9...
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.