OpenTechnical

OT-2026-000093021

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000093021) never changes.

Identity and time

Publication numberOT-2026-000093021 · never reused
Internal UUID01a0ae9e-090f-7b06-8faf-8d1ea2acf7f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093021
StatusPUBLIC

Content hashes

Canonical text1f50bf339a26d58cc1d290c61f1668f408ded86f7b718bc894d21da4a890c333
Markdownf77071d7322369b101ff8fad5cf2e78eb5a560d97788a7553a83828580d61991
PDF
Publication page1b725de8f56fa1966fa25d12d0fcfb5396e42a05373d7767d75328902fd052b4
Manifest21840c8e8023b8cd5a396ff4a015ced07fd954662c79a182db579f97e3e46ab8

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
Signature+ZSjyc9+CYcF631db3bR+r2O3zfM/LZh7W41//eP+H4DGr1BKrMcDRCOKqp2PPQf3Yx0wTwy455p8e+e38qYDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:13.845598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093021
observed 1b725de8f56fa1966fa25d12d0fcfb53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:13.826839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093021/manifest.json
observed 21840c8e8023b8cd5a396ff4a015ced0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:13.807921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093021/publication.md
observed f77071d7322369b101ff8fad5cf2e78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:13.789806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093021/publication.txt
observed 1f50bf339a26d58cc1d290c61f1668f4...
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.