OpenTechnical

OT-2026-000016580

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000016580) never changes.

Identity and time

Publication numberOT-2026-000016580 · never reused
Internal UUID01a0ae6e-2d14-7009-b6d0-8a0a74c0ef56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016580
StatusPUBLIC

Content hashes

Canonical texta8cb43d63601533513334f1e97bb9386a1dc15c1fa54318e37ea0de245efec77
Markdown0bc3cb12c8c60c21166ab16dfe8ed47132a74525aa4a657f1789500bf1d0e641
PDF
Publication pagea1e4d4724b210cb32db71d1dd2cb01f6cebe41beba49218b067ee5df9bde9763
Manifest30a1073179ce1b0c6a6d12a07337ef94159e8896b28787546aa91252c0688298

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
SignaturemAocZV7KE+fh/co6P3ozxu3jLmeQTEGP8z5zqvYx1MGpf8vUj5wlVLUnHeaeSGZuBT1hcfw9IdyFE5PDmAaAAQ==
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

2026-09-17T12:04:48.861710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016580
observed a1e4d4724b210cb32db71d1dd2cb01f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.842693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016580/manifest.json
observed 30a1073179ce1b0c6a6d12a07337ef94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.823083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016580/publication.md
observed 0bc3cb12c8c60c21166ab16dfe8ed471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:48.805149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016580/publication.txt
observed a8cb43d63601533513334f1e97bb9386...
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.