OpenTechnical

OT-2026-000091366

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091366) never changes.

Identity and time

Publication numberOT-2026-000091366 · never reused
Internal UUID01a0ae9c-f16d-79e3-ab08-59638f7bdbc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091366
StatusPUBLIC

Content hashes

Canonical text1f4d0db9f223116c30385f53eeca730b7ea70bf1748a18f502ce74144546a774
Markdown8ca63ff4d8e23d7b7ea32cb2853ed66427499bb7927730548dff1378b17b3d60
PDF
Publication pagefee5e90165d00ebc30ca00c3f097c0f8baa82cc6251200675486a90329dbc14b
Manifest0b21ceb9cc351d5978807c9b57dc0d27d57d99457533ad7f72628c67cc30d90c

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
SignaturenrbamN1mxaVo34THz6PO1maah2LrcaTmI3QMRgBNT0v9llwSBvJFidsmDcorI76bZKW1kn8z8HYxPw7XxHgwBQ==
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

2026-09-17T09:43:35.050510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091366
observed fee5e90165d00ebc30ca00c3f097c0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.034107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091366/manifest.json
observed 0b21ceb9cc351d5978807c9b57dc0d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.014655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091366/publication.md
observed 8ca63ff4d8e23d7b7ea32cb2853ed664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.997504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091366/publication.txt
observed 1f4d0db9f223116c30385f53eeca730b...
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.