OpenTechnical

OT-2026-000044992

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, pulsed 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-2026-000044992) never changes.

Identity and time

Publication numberOT-2026-000044992 · never reused
Internal UUID01a0ae7c-911d-77bd-be2e-714adb8f031a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044992
StatusPUBLIC

Content hashes

Canonical textffcb88b36f639f419073f226c66f35f4495834c33e04ed6ea5f038df04914718
Markdown4d349b59c94ca339ddb50231e1d316fc53ed594ee29ad911b6e38242214cb599
PDF
Publication page93b6ec4e8d3a3dc3cf44bcd67807a9054e611bd05ddd7e5225fecc3e7be2edcd
Manifestc7b1944ab64589c4e013d37378355c3ee1578947070d19cb93e582305ddaa314

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
SignatureQp4yLNYp7Z4RtYUIVJSFjBU7RwNrr6bTfo0fYPv7BXIhyI60ldvjV7v3dHp73lhvD8XW3Sj5txkBnk05W4BABw==
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

2026-09-17T11:11:41.141049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044992
observed 93b6ec4e8d3a3dc3cf44bcd67807a905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:41.122363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044992/manifest.json
observed c7b1944ab64589c4e013d37378355c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:41.103392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044992/publication.md
observed 4d349b59c94ca339ddb50231e1d316fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:41.085394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044992/publication.txt
observed ffcb88b36f639f419073f226c66f35f4...
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.