OpenTechnical

OT-2026-000043757

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000043757) never changes.

Identity and time

Publication numberOT-2026-000043757 · never reused
Internal UUID01a0ae7b-d676-7cf3-b687-0ad06f0b0997 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043757
StatusPUBLIC

Content hashes

Canonical text6d773ff1ea396932374fddf23d6ea174fe6adb66d7271aea39120d50d5cea465
Markdownc862ce928a0eeee3481309b98987dfa8caf04387f8fb5bd98be0ae5ee6500a34
PDF
Publication page3e236bce7b5348ced6a59b3eb5c359e7bdc76d85447c11d7e9df938d485b1f41
Manifestd05027f65e5063f5d97bf0ff7e68063e713e1eedcd1f0705200626118e409611

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
Signaturew+biwjYBmMJ4tioxjPI73/wxHlNF4F1RrwgCgU3At3QeYYO2PT0/UxWuC/0QJXLladhclVRY4Vy9XVZbU9TwAg==
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

2026-09-17T11:12:02.447586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043757
observed 3e236bce7b5348ced6a59b3eb5c359e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.422294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043757/manifest.json
observed d05027f65e5063f5d97bf0ff7e68063e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.402832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043757/publication.md
observed c862ce928a0eeee3481309b98987dfa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:02.383525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043757/publication.txt
observed 6d773ff1ea396932374fddf23d6ea174...
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.