OpenTechnical

OT-2026-000037297

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000037297) never changes.

Identity and time

Publication numberOT-2026-000037297 · never reused
Internal UUID01a0ae77-b8cc-7e38-91fd-8645eed66779 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037297
StatusPUBLIC

Content hashes

Canonical texte86b15925f066b41c0a1472e1e90e13979715e5d260462943db40d30281ddba5
Markdownc2dc82befac298aa93741af55eb297d21f184e8259b56cb089dcc7b3141767e6
PDF
Publication page25c48c12408fd0dbf131ca2b64dbea64c35179b5e7e7151c04c2e996e43f37c9
Manifest512ca22d36a3c7c524a1f6f33f317e0f902e41af42497ec58cd94c4b72e96ea8

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
SignatureM7AVLJmysmptaf1en/c6ukj7w7OF7SFdQJYCh0IPwfg5tacusinvxX794k3gcLeXDHONoaPxInYX5mmyFfnWBw==
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

2026-09-17T11:23:34.936480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037297
observed 25c48c12408fd0dbf131ca2b64dbea64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:34.919317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037297/manifest.json
observed 512ca22d36a3c7c524a1f6f33f317e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:34.901542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037297/publication.md
observed c2dc82befac298aa93741af55eb297d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:34.883784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037297/publication.txt
observed e86b15925f066b41c0a1472e1e90e139...
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.