OpenTechnical

OT-2026-000041197

Publication integrity record

Two cup vacuum gripper, two 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-2026-000041197) never changes.

Identity and time

Publication numberOT-2026-000041197 · never reused
Internal UUID01a0ae79-b143-7be9-b4e0-109fbc79c7df · 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-2026-000041197
StatusPUBLIC

Content hashes

Canonical text609298e31495deeeb69f811c9332c989751ec519512b3612a2408b322cae2e2d
Markdown61ae91bd9ec6a0d830b823ceade09f5ae172bcaefe48c8e4892e1c25ea9d18a5
PDF
Publication page405b2a3c9e9f8f89020eac84b093918c46b9002708f1fbcfa3ca7b782207fac0
Manifest19be718b8c85f0e1b3e23b0dad93e1a09f89ef28e59e3edca37015a209399f78

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
SignatureuP3lm6HgzXnQuKYc+QjwOeZ8nkllb1mxskJ/Rrzu1voIV1VHwd6777n//0TkkKWn/DE7uccG2yBtQwy5tu1bCg==
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

2026-09-17T11:17:09.160843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041197
observed 405b2a3c9e9f8f89020eac84b093918c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.140946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041197/manifest.json
observed 19be718b8c85f0e1b3e23b0dad93e1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:09.013852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041197/publication.md
observed 61ae91bd9ec6a0d830b823ceade09f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.994477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041197/publication.txt
observed 609298e31495deeeb69f811c9332c989...
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.