OpenTechnical

OT-2026-000022363

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000022363) never changes.

Identity and time

Publication numberOT-2026-000022363 · never reused
Internal UUID01a0ae6f-f4fd-7736-8adc-8cde7a82d84d · 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-2026-000022363
StatusPUBLIC

Content hashes

Canonical text51156e4204db6076cb6e54d40df86363f9828c4438d7fca2c20b63f4edd0db53
Markdown4eabb73815ca404b79926884eb2fa89e1a667a7cbd98b6bd4fbee1093aa91a02
PDF
Publication pagea23c0ded75155f4584246131cf9ad4404c194809487404b35242a1b13e869f99
Manifeste379faf6d2c1e7a216b1d79d5a23560c64215c6b7d19cb849d6c0a2cc8b27ca6

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
SignaturevqdxMjRyI5XuLkMS39Q1PiXaEC1YQNARgNsFjPZJyC33GNczHJZXktVR06ifnWwOBq+ZfxNkBHgWzEJqP7kHBg==
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

2026-09-17T11:53:43.868082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022363
observed a23c0ded75155f4584246131cf9ad440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:43.846914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022363/manifest.json
observed e379faf6d2c1e7a216b1d79d5a23560c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:43.828418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022363/publication.md
observed 4eabb73815ca404b79926884eb2fa89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:43.810159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022363/publication.txt
observed 51156e4204db6076cb6e54d40df86363...
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.