OpenTechnical

OT-2026-000013577

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000013577) never changes.

Identity and time

Publication numberOT-2026-000013577 · never reused
Internal UUID01a0ae6d-6fcb-759a-a6f5-8c70b0373997 · 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-2026-000013577
StatusPUBLIC

Content hashes

Canonical textbdd6eab9d5fafa8fa901bb002990afc674b67e998acb7d2ad7bd9c834b501427
Markdownde4fe28f8c76da57b2cb4851df20d99492bc05f5411353595da9b1748f9c6d92
PDF
Publication page3a676bd5a5ed7bf32ae7a9c6ed30705af2382ad9ca34675957573f23c8dde870
Manifeste57f28d7f2323f01043ba93b736b8c2a5c9b7b14719de83a0c93cf8447e9b7d5

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
SignatureritBfLYmnFohN/BP0mdmOUo6INREDrRjiTmdWT8VgE4rh93jIsAqG4mRhs6lKBYneUEKg6nhiCfkGgK03ytfBQ==
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

2026-09-17T12:10:07.433703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013577
observed 3a676bd5a5ed7bf32ae7a9c6ed30705a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.415111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013577/manifest.json
observed e57f28d7f2323f01043ba93b736b8c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.396472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013577/publication.md
observed de4fe28f8c76da57b2cb4851df20d994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:07.378425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013577/publication.txt
observed bdd6eab9d5fafa8fa901bb002990afc6...
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.