OpenTechnical

OT-2026-000066755

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000066755) never changes.

Identity and time

Publication numberOT-2026-000066755 · never reused
Internal UUID01a0ae8e-ce42-7441-ba46-e840ddb36b92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066755
StatusPUBLIC

Content hashes

Canonical textf075e5fc05270f6e98c3c759be48947f858e764224d50659150705b960fc11de
Markdownd238f8c44e32e498bff62a5a8fbded7f9913c4c058ef77c33f441b02fc137ff2
PDF
Publication paged5ea3d513cfc2ffdeb26809caaf0993549317027739f58bec8a5ff5b5251ad5b
Manifestedd96c9c18ba0918df0666561b6ddde08428e8d249cecc30433acd9485b4af5d

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
SignatureQwFvMd+fN9BSV0GzIRlQ9NNfCiAYb5lvip4cWfYBRsytd+R/T/U/+qWA0uZrq2wSp4+OMMQ5j09P0bR4btjeBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:10.072494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066755
observed d5ea3d513cfc2ffdeb26809caaf09935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:10.055486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066755/manifest.json
observed edd96c9c18ba0918df0666561b6ddde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:10.039422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066755/publication.md
observed d238f8c44e32e498bff62a5a8fbded7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:10.020637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066755/publication.txt
observed f075e5fc05270f6e98c3c759be48947f...
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.