OpenTechnical

OT-2026-000044491

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000044491) never changes.

Identity and time

Publication numberOT-2026-000044491 · never reused
Internal UUID01a0ae7c-39d8-7404-ad73-b0505c77f0ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044491
StatusPUBLIC

Content hashes

Canonical text3d816bf0b89c42c6d4d9931a59b14c80a954fb2d0ed8da24d6b67999b88de6ed
Markdownca2441e97fffb6cb8f17bedbfb491abbb1b1ffc5fc2536a75542fedd8ac689a0
PDF
Publication page654ad7cecc5b2f5a1ebc8a3931c616ccd3e8140d9379388e73ad8b8da7d6c53b
Manifestecfe013c5404cb1d3df799b8da819b78b515cd1b9d03f3c20c7ab67083a7298a

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
SignatureI3gS84uvKYbBOriBC+aCpEH5zUECAtFjueTWeanaNBkqt0FYX1VjpXYgcMHVCyevHFgLsMKir3yRdqFqzsz3BA==
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

2026-09-17T08:30:56.984171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044491
observed 654ad7cecc5b2f5a1ebc8a3931c616cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:56.965941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044491/manifest.json
observed ecfe013c5404cb1d3df799b8da819b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:56.579729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044491/publication.md
observed ca2441e97fffb6cb8f17bedbfb491abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:56.562490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044491/publication.txt
observed 3d816bf0b89c42c6d4d9931a59b14c80...
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.