OpenTechnical

OT-2026-000019045

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000019045) never changes.

Identity and time

Publication numberOT-2026-000019045 · never reused
Internal UUID01a0ae6e-d523-7305-aa47-abacf2286fd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019045
StatusPUBLIC

Content hashes

Canonical text013adec08db9b2e4584ba9e2f2ebaf741fc014ba01a84f77227a1f5cb41592b3
Markdownd080016db1bfe67c3def7a9635a2df10e8af108bb1cf561525ae1f07167be83e
PDF
Publication page4c3d1278e85b4b750ea309a1b5c3e83004f77a7411a70477049fdcc5aca51b10
Manifest57713a288347185bd3ffe44bd44a7f1ebb9c101db1ab61fd9a559391c899ec20

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
SignaturePZRogRuc9Ccl0T+UDMelq9+u1t/ve2Isbx+uNJYHOrPXog7n/oTtIx7wH9hjFZbB9pBsyrXMA5SXrErtLQ60DA==
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

2026-09-17T11:59:44.299717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019045
observed 4c3d1278e85b4b750ea309a1b5c3e830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.283347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019045/manifest.json
observed 57713a288347185bd3ffe44bd44a7f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.266725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019045/publication.md
observed d080016db1bfe67c3def7a9635a2df10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:44.249512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019045/publication.txt
observed 013adec08db9b2e4584ba9e2f2ebaf74...
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.