OpenTechnical

OT-2026-000039661

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039661) never changes.

Identity and time

Publication numberOT-2026-000039661 · never reused
Internal UUID01a0ae78-d8d4-7582-bf3e-2c047ced305a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039661
StatusPUBLIC

Content hashes

Canonical text4d48ae1e1c88ba354ce043e8e828a78b8db1c6953cbb9fcf10d0a00224f3fb52
Markdowna62ec9c3c45e658dd8f5ae5c25c783cc17ac09425668048d803892d7ba054730
PDF
Publication page2e81ea2496cf4a6202db710b2d2e71257a985a09a25296c81a0202c33fbe1499
Manifest7557e6ba36341e5848770d1415a0068c61c076e661d50c9e6216472d5c37e62e

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
SignaturevJoR33kQqsd/crB+n3IIVrpnVqevAlJhl5ahLkkI8ziR4OZ2vtrbPUlzuZr62qa+E88K4wVaLRQ7wxj91jcgDg==
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

2026-09-17T11:19:50.488802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039661
observed 2e81ea2496cf4a6202db710b2d2e7125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:50.471457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039661/manifest.json
observed 7557e6ba36341e5848770d1415a0068c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:50.452593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039661/publication.md
observed a62ec9c3c45e658dd8f5ae5c25c783cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:50.434903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039661/publication.txt
observed 4d48ae1e1c88ba354ce043e8e828a78b...
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.