OpenTechnical

OT-2026-000061995

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000061995) never changes.

Identity and time

Publication numberOT-2026-000061995 · never reused
Internal UUID01a0ae8b-b8ae-74bd-a380-513a17d1302a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061995
StatusPUBLIC

Content hashes

Canonical text4df3073515c12825f6590917e1893bd80944b4a52fc0f161ee1ad01f0f437ced
Markdown481388ae6e7ca029fb356d0457694ad5d51c23e3d303c89e4b0484a5b8cf2799
PDF
Publication page860dddb32bfc6bfe7e7bd349329ac05eb0600034cb16ebca11af8fd214a27bd2
Manifest305cd7d1ff3d115f9a8ccef6773d6d8226f8870ac6e8d6ff05b9468ba151c1a5

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
SignatureDh9/ZkAw2nJVqf+WakPhG/SiwDJIZA2ZbthFtOf8+JAduNYGRHQagUogJk7SNF6D3GToVE9LKzcvWpSVJD7LCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:55.633491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061995
observed 860dddb32bfc6bfe7e7bd349329ac05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.613778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061995/manifest.json
observed 305cd7d1ff3d115f9a8ccef6773d6d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.593647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061995/publication.md
observed 481388ae6e7ca029fb356d0457694ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.573891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061995/publication.txt
observed 4df3073515c12825f6590917e1893bd8...
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.