OpenTechnical

OT-2026-000041587

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000041587) never changes.

Identity and time

Publication numberOT-2026-000041587 · never reused
Internal UUID01a0ae79-e8a0-7705-965c-e9352dc2f3ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041587
StatusPUBLIC

Content hashes

Canonical textd234db86423458688ea2633395e97b38d77d9d0f65dbf7ccad1a42c18bf076c4
Markdown3fc8eb1773c7604ccabbc95dfe6a472a52fe6f49801add4b17a1add41f6d082b
PDF
Publication page87749d30188cc120383921d74e48af8fe8621c5d1639d7e34a593609e00f0980
Manifestaf4509c7a19e5749aaa8748f59562205779c8b3245bd2192b953fcf3a695a2f7

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
SignatureMG4J7hDxL31+MgLpImkApn9Dh1Gfw/ebZf0H7RxfMC0XFvzTGYWPob9HOqqINp3mZc0H7x7/5VPQG+t9RnsUCw==
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

2026-09-17T11:16:22.487468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041587
observed 87749d30188cc120383921d74e48af8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.380844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041587/manifest.json
observed af4509c7a19e5749aaa8748f59562205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.363772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041587/publication.md
observed 3fc8eb1773c7604ccabbc95dfe6a472a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.345217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041587/publication.txt
observed d234db86423458688ea2633395e97b38...
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.