OpenTechnical

OT-2026-000009686

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000009686) never changes.

Identity and time

Publication numberOT-2026-000009686 · never reused
Internal UUID01a0ae6b-7564-7930-aab4-f8d611a9b4c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009686
StatusPUBLIC

Content hashes

Canonical text013cd61322c29c6bd8e9fe2153147089f6e9f3e49e38efc90b85f704e8e2ae5e
Markdown76ca1c96c448c0e4f304e3c6b50a585030197e307318280b84b1b89e7bbf9d22
PDF
Publication pagec34fc61dfc703baeb9fcfc1635a8a3b1fc541269adb80d5ee39f8d8dd20c042d
Manifestdcd31733e76df9a751898bb9aa932185a59eeb7bd95277f379503299c45d7945

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+oSUvym1HoI7A1LuW5l1tGf6sa8KZVuLNk7vMqgPYJsBpdmAdkJh8RT7q0jo1WzG8mWYDP/uA3/WIoDHPPOBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:10.088813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009686
observed c34fc61dfc703baeb9fcfc1635a8a3b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:10.070113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009686/manifest.json
observed dcd31733e76df9a751898bb9aa932185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:10.051366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009686/publication.md
observed 76ca1c96c448c0e4f304e3c6b50a5850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:10.029244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009686/publication.txt
observed 013cd61322c29c6bd8e9fe2153147089...
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.