OpenTechnical

OT-2026-000033605

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000033605) never changes.

Identity and time

Publication numberOT-2026-000033605 · never reused
Internal UUID01a0ae75-a38f-72a4-a99b-6004aed3f645 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033605
StatusPUBLIC

Content hashes

Canonical text1444dbef393e4cb26ee01f8b99575cda95a73bd15c31dd172d467338aeb07473
Markdown49831f15f33749c3c5bc27deaa8658032721a5e81fd58e7bc78aa19e74c172bb
PDF
Publication page63b42b9a4ba282ad5d02c571c6c23a1fd06677280fa5b83f6f150450d70b1a6f
Manifest5dcfb322b80072383fa68cd25e0bef1e148fac596c9015d4027af07cdde88045

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
SignatureCM3g/SKeH1oIDr08S1CPRLzFajuJ5Zsgbwf6qYGth71ThlyZSu7+wpKv49zq4GOBLGLAc/ob8JVcnnhZH2bbCw==
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

2026-09-17T11:31:34.528260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033605
observed 63b42b9a4ba282ad5d02c571c6c23a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.510530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033605/manifest.json
observed 5dcfb322b80072383fa68cd25e0bef1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.492411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033605/publication.md
observed 49831f15f33749c3c5bc27deaa865803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.474520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033605/publication.txt
observed 1444dbef393e4cb26ee01f8b99575cda...
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.