OpenTechnical

OT-2026-000042927

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000042927) never changes.

Identity and time

Publication numberOT-2026-000042927 · never reused
Internal UUID01a0ae7a-c0d1-7a5a-a767-1ee438398634 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042927
StatusPUBLIC

Content hashes

Canonical textf566aa119345921926e76cadb5a0d6cb428c8b5449bab25ea70b8f51a192e6b7
Markdownf475e6a7d2b470b582a88d04692fb00924c44cf8b3049c9aeb686ec94c2602c0
PDF
Publication page81ceff074548fee5234ecdfd709e00c2e373f6ca05f54ee14c8afd2f34112247
Manifestcdcde4b4e8a488033741235aeb327eb8d2dcaa75b418b5badc4e4883a877338c

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
Signaturewsjw5TQUrM9v2bWEVlVuf9OXryIwj/nuAvKSRNT0TKg0YZzTRDhc81Trsur/9uWSCbSFqP/owGXJ7/sHq2mFAg==
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

2026-09-17T11:15:27.244870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042927
observed 81ceff074548fee5234ecdfd709e00c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.226625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042927/manifest.json
observed cdcde4b4e8a488033741235aeb327eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.207000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042927/publication.md
observed f475e6a7d2b470b582a88d04692fb009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:27.186103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042927/publication.txt
observed f566aa119345921926e76cadb5a0d6cb...
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.