OpenTechnical

OT-2026-000014940

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000014940) never changes.

Identity and time

Publication numberOT-2026-000014940 · never reused
Internal UUID01a0ae6d-d095-7771-9168-9d8152b1b81b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014940
StatusPUBLIC

Content hashes

Canonical textb60c5f4140511bef7b3fa89d45a1b439ed34b07b5861f7fca0f0ec0c594a1461
Markdown246dcf0e63c9aa9a503f928795c2ed5d14de4f75914362ec6cfd8a318ded89f3
PDF
Publication page90da7f8b5de3a6c639dceea99fa3b927ef6f1fea9a87887502a96a048258e417
Manifest75eb8be0b4e7b04053dff3a59df68be1a852e713f6459cda8a5a1d27ef3c1c45

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
SignatureyzJpgvprOd8bTr6UxDCxlhkCp7UB/5qrDr90APmgVTPOS88PFslD0ixZnONfpgKfGUYS4X4P5ynK1aSSkHK+Cg==
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

2026-09-17T12:06:53.165918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014940
observed 90da7f8b5de3a6c639dceea99fa3b927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.128586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014940/manifest.json
observed 75eb8be0b4e7b04053dff3a59df68be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.109395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014940/publication.md
observed 246dcf0e63c9aa9a503f928795c2ed5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:53.074340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014940/publication.txt
observed b60c5f4140511bef7b3fa89d45a1b439...
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.