OpenTechnical

OT-2026-000041313

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000041313) never changes.

Identity and time

Publication numberOT-2026-000041313 · never reused
Internal UUID01a0ae79-b144-70e1-bad0-9a305c7d0ba4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041313
StatusPUBLIC

Content hashes

Canonical textc2c4d54d05153459057552bb9222b28ee80c10a9ba032e18044e708a9ae62280
Markdownd49105ea9b45f2a0b297ef55844e2c322a024b8b6ff3b28d0a13749ad70112c8
PDF
Publication pageb701f72edc84816cdc89ebe3265f230f694aed8f3c8af4c786d3518bd4f91add
Manifest365646cd6ba095828db3f61342050603d3850b4ebf15d4c5a8439089e360b45f

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
Signatureuq5xCYZ3VQib01y2Y94q9ajyqu1YEsbjCQh4XtnzQVbk3yPrF26CX9rdn95tVgack9pPUgZoGw8Mt8AdeT9sDw==
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

2026-09-17T11:17:18.004125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041313
observed b701f72edc84816cdc89ebe3265f230f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.982565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041313/manifest.json
observed 365646cd6ba095828db3f61342050603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.964191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041313/publication.md
observed d49105ea9b45f2a0b297ef55844e2c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:17.944115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041313/publication.txt
observed c2c4d54d05153459057552bb9222b28e...
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.