OpenTechnical

OT-2026-000013517

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000013517) never changes.

Identity and time

Publication numberOT-2026-000013517 · never reused
Internal UUID01a0ae6d-6fcb-7535-b825-f2ca27b783e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013517
StatusPUBLIC

Content hashes

Canonical text5a030076117d11c0d3b64d00423ae35935c63dfe949cea96d9cd61585f7d748b
Markdown1dc29fca2f894df9cb0f926048d2adadc233576335963b697b6ec63cf26fab77
PDF
Publication page890232190c0795f16e549b96be20093c6437445324f3bfbd42b19b88136a84e4
Manifest1afed19c152e319da19bc7c4a8e7bf361c47fd45d3ee364b725e0b6e3a629268

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
SignatureYa0dUJWPKhBWFsNEBSY2WgeVYLTSaXQSOfYb5Zpq1U4jQ4ELskl6Q1gThuWjFYrtGf6QfLboDT+DoQvK0ruqAA==
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

2026-09-17T12:10:01.901960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013517
observed 890232190c0795f16e549b96be20093c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.884621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013517/manifest.json
observed 1afed19c152e319da19bc7c4a8e7bf36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.867395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013517/publication.md
observed 1dc29fca2f894df9cb0f926048d2adad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.850175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013517/publication.txt
observed 5a030076117d11c0d3b64d00423ae359...
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.