OpenTechnical

OT-2026-000022585

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000022585) never changes.

Identity and time

Publication numberOT-2026-000022585 · never reused
Internal UUID01a0ae6f-f4ff-71f0-93b9-9f1bd76b3c41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022585
StatusPUBLIC

Content hashes

Canonical text612cc09fcf8aa5d2f8130c134b9374b8d68a46392ab2e1110501d868d5527e94
Markdown10ebe3032228770da3242fafd8be8099593cfdcee783327efad2b4967b51f6b0
PDF
Publication page26f75372d3ea94b551d7d9a036a151a4a68424ed18c9c9096654993a53bf9362
Manifest1e963d9cfe08242c245b95386ccdbedd5c4cd5dd9362e645ca24089756da2343

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
SignatureMSeVhvcJ/+CPRK9jkk+9e0TxZmx6eXBv4fEjRw73mVt5RjR318Ju3D4Ul+6RZzEzVP7WnTCdh4Tuafvq0H6iCg==
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

2026-09-17T11:54:01.694419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022585
observed 26f75372d3ea94b551d7d9a036a151a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.675662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022585/manifest.json
observed 1e963d9cfe08242c245b95386ccdbedd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.657424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022585/publication.md
observed 10ebe3032228770da3242fafd8be8099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.639688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022585/publication.txt
observed 612cc09fcf8aa5d2f8130c134b9374b8...
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.