OpenTechnical

OT-2026-000025855

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000025855) never changes.

Identity and time

Publication numberOT-2026-000025855 · never reused
Internal UUID01a0ae71-a83e-7f4e-b51e-a92f0043bd80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025855
StatusPUBLIC

Content hashes

Canonical text7c4cf769205511cb5adf53e4c1336eb63d67be78d26d0d7382f3cdbd2d77d153
Markdown25ed49f8804a94028d70c0ac5de429ac99e2f8feb9fc194192856ca6bbdc5fb6
PDF
Publication pagecea7e9f47959f28d5b34654b2fd1e6bcd473e9943e3e60663bfc8b203630b61b
Manifest2f28a7bb3af3846f9f6958c707b309528cb12fea57868a4afdac70b675bb4ace

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
SignaturerIiE+o3NqxRnCCe3LZyyTwE52MSAFFwTtAmbE4TdrpTimy1zI0wHrjKWswlmuZAQD8HzovF87A+D5uvlHSDqBA==
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

2026-09-17T11:46:00.853785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025855
observed cea7e9f47959f28d5b34654b2fd1e6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.835095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025855/manifest.json
observed 2f28a7bb3af3846f9f6958c707b30952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.798285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025855/publication.md
observed 25ed49f8804a94028d70c0ac5de429ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:00.762855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025855/publication.txt
observed 7c4cf769205511cb5adf53e4c1336eb6...
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.