OpenTechnical

OT-2026-000044569

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000044569) never changes.

Identity and time

Publication numberOT-2026-000044569 · never reused
Internal UUID01a0ae7c-39d9-794a-9947-a284074c686c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044569
StatusPUBLIC

Content hashes

Canonical textd9cedd14b6532417f53b14a602e7d8c6b1b0a1d11dadaa76945354564c4fbe2e
Markdownb36390de6656b7bd2561a11b81b42328207d6dffed95e5edf6824899364c589c
PDF
Publication pagefe986bbf5b9e50a687d29c9d1399e800258f0aadc81aed00e03657ce17ef83c0
Manifest0eb411cd3a3956cdbae2d935f6bf54dffd88943d31b11db44d36e51bfe89e809

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
Signature9p1ZSzhhLCJxhrEuiP2XS6D+WShwbKpL0Ag049rrmpFkE7Pqq0NkNUqWTH8qzoZcC7mCGQGa5gFDT20gRqo8Bg==
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

2026-09-17T11:11:45.814633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044569
observed fe986bbf5b9e50a687d29c9d1399e800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.795634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044569/manifest.json
observed 0eb411cd3a3956cdbae2d935f6bf54df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.775218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044569/publication.md
observed b36390de6656b7bd2561a11b81b42328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:45.754376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044569/publication.txt
observed d9cedd14b6532417f53b14a602e7d8c6...
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.