OpenTechnical

OT-2026-000033102

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033102) never changes.

Identity and time

Publication numberOT-2026-000033102 · never reused
Internal UUID01a0ae75-4844-7b7b-9467-a4e578936002 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033102
StatusPUBLIC

Content hashes

Canonical texte842f1b22c72b60fd6effca56fea10244a5a49343f776877deed1d2101a85c82
Markdownb22f8ea92420b7238cee69dd149e1c5ec9d698e7d0f461d3dd03145fdd10df4a
PDF
Publication pagee06dfb81d0faf0a422eb52e92a9aa0cfe1af0120b0119ac5cff2906915ff1030
Manifest8882378dd464d0d33877f2e64d33f1794190cc1b130eb2786b03bcc18902828d

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
SignatureZosSi9GzvzAlZd2XjQaKudD6i+AiWIDvi94PXhaO/fEPlyFHwbav4WFcBKKCpotNvtHfli1HhrRiI0H1JzXmDQ==
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

2026-09-17T11:32:45.294002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033102
observed e06dfb81d0faf0a422eb52e92a9aa0cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.277872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033102/manifest.json
observed 8882378dd464d0d33877f2e64d33f179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.260726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033102/publication.md
observed b22f8ea92420b7238cee69dd149e1c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:45.244916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033102/publication.txt
observed e842f1b22c72b60fd6effca56fea1024...
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.