OpenTechnical

OT-2026-000017730

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000017730) never changes.

Identity and time

Publication numberOT-2026-000017730 · never reused
Internal UUID01a0ae6e-96fa-7592-b71d-e9708b167436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017730
StatusPUBLIC

Content hashes

Canonical text7d037cabb1551341e2a91be1f8c77ea6fe449402d69890477292321432eaca0d
Markdown848e705e602e677e69164149c9aae40983d752bff1684df207ced797bb884c7e
PDF
Publication page0b59b8b8966802fd2fae0a816777fb5637bea6b838a4d5ae5a3736b6fbfab8cb
Manifest32293e7b65f9a129f6f55112eaff59efeaea68726e6d032d509befb8bd7cd445

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
SignaturewXBMxke9kZKruW9XXz91RZNURts/JsRCr2Y8dGl21Err0C4/XH1G0YH9B25jhcOixvA3N1KXa039wziCh0tnBg==
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

2026-09-17T12:01:40.862652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017730
observed 0b59b8b8966802fd2fae0a816777fb56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.847876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017730/manifest.json
observed 32293e7b65f9a129f6f55112eaff59ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.831821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017730/publication.md
observed 848e705e602e677e69164149c9aae409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.814724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017730/publication.txt
observed 7d037cabb1551341e2a91be1f8c77ea6...
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.