OpenTechnical

OT-2026-000041588

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000041588) never changes.

Identity and time

Publication numberOT-2026-000041588 · never reused
Internal UUID01a0ae79-e8a0-70e0-93e0-c1f989acb3b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041588
StatusPUBLIC

Content hashes

Canonical text6e12c995225d31cc9bc86bca31bc5a719e70e2d27bb50e84bc9e226a1a57d472
Markdown06bac86b8adcfcf0fe3c34a916de4b79b6817f86dbf24bbfac7219b1d8cf93f0
PDF
Publication page95402ba1b52fb5984a48ca4f458a76ebd2d399edb0b68a424ad66d7458540a21
Manifestccea66adef1f1a3bb544c1026d621be994259fe569407288f54db981e06a00e4

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
SignatureYhlWvBZfLP6vGfdY0uDW8vrwEV417cxxJsUNFZy1lkFJtDaZYYbf7QyZD0z19Zk2nC+vwiZOhAfYdSqxVcpXDw==
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

2026-09-17T11:16:22.603666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041588
observed 95402ba1b52fb5984a48ca4f458a76eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.586448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041588/manifest.json
observed ccea66adef1f1a3bb544c1026d621be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.552496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041588/publication.md
observed 06bac86b8adcfcf0fe3c34a916de4b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:22.511985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041588/publication.txt
observed 6e12c995225d31cc9bc86bca31bc5a71...
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.