OpenTechnical

OT-2026-000012814

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off before 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-2026-000012814) never changes.

Identity and time

Publication numberOT-2026-000012814 · never reused
Internal UUID01a0ae6d-5563-7f70-894b-4c8436272a7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012814
StatusPUBLIC

Content hashes

Canonical textc68d729c543ca0521b4183cbcc70d6c8d4a7983be29dd479f634e18ba2de5642
Markdown105894af7335657a37311d6041995c773b5cff0a0f70a92532bdca3ed126ac24
PDF
Publication pagedaee75c77f6c3bec5a3be65e79afc98c1bb6304e3f12f68881e858bcf43b9f06
Manifestdefb7033a2acd88ebd393ab912511f6fbe7dcefc3d06ce128e2dbf26eede1383

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
SignaturesGafn7/Y9tXO4bHUPiFKIH1FlOvw8uxyN3pQLh1fg7FAjK2r44By2voCqpEGiTnxM8NFOz8Q+dNHgom9N7UjBQ==
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

2026-09-17T12:10:32.768008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012814
observed daee75c77f6c3bec5a3be65e79afc98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.748545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012814/manifest.json
observed defb7033a2acd88ebd393ab912511f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.730770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012814/publication.md
observed 105894af7335657a37311d6041995c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.710111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012814/publication.txt
observed c68d729c543ca0521b4183cbcc70d6c8...
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.