OpenTechnical

OT-2026-000044778

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000044778) never changes.

Identity and time

Publication numberOT-2026-000044778 · never reused
Internal UUID01a0ae7c-911b-76da-8775-fb6c3afb619a · 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-2026-000044778
StatusPUBLIC

Content hashes

Canonical texte04195d55b38c3ba4cbafe96c8dcab153946c9e2b126d47aee824c5c49d341fa
Markdown0587b039e749581e559bdfe31259ab2d076a8911404d860c13ecbcc06d8b14df
PDF
Publication page021daa9d4f2cb811c31c81cd5a0d473f6978fb77ec7c618da4ed8682534cb00a
Manifest4f4f676e4b2913336a8941607c45db6126db1cb40f7847cc9182d38889bb02e4

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
SignatureT4f8hYzFqto+FmMX8EUtK+zVWVrRSqOCdARep4yLevX1gMDoSTZBXo6wniP/miIMaD07Ghi0WrlWwZp5XuwwDg==
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

2026-09-17T11:11:24.158337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044778
observed 021daa9d4f2cb811c31c81cd5a0d473f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.140692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044778/manifest.json
observed 4f4f676e4b2913336a8941607c45db61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.121756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044778/publication.md
observed 0587b039e749581e559bdfe31259ab2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.101439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044778/publication.txt
observed e04195d55b38c3ba4cbafe96c8dcab15...
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.