OpenTechnical

OT-2026-000072079

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line 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-2026-000072079) never changes.

Identity and time

Publication numberOT-2026-000072079 · never reused
Internal UUID01a0ae92-47c1-7f70-a22f-1af7c00f3f58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072079
StatusPUBLIC

Content hashes

Canonical textcbd687d2867eac2d08db4923f3d558ef6f6ec8412798e20b81366340a66f0ef1
Markdown50733e612e0bd0ff7c547cb1915ce2d4d2c6ce3cd00251e38272459b7579aeb4
PDF
Publication pagec67d6e718660942738f04469869415f493ce517472282d9b931629adaea50415
Manifestcfcbf21fe97a2c5bc3a30ee38760567b281eed03c7173a82329d9419366703d2

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
Signature3ils5w32rc1uyBmZAFGuGRwCXlqMXMD0Z5e5kZcFUJ//tD6MeyyjAyFiYKf/9Y2puudWS16nIbi7ElD3GftEBg==
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

2026-09-17T10:23:09.380460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072079
observed c67d6e718660942738f04469869415f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.362494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072079/manifest.json
observed cfcbf21fe97a2c5bc3a30ee38760567b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.346932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072079/publication.md
observed 50733e612e0bd0ff7c547cb1915ce2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:09.330354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072079/publication.txt
observed cbd687d2867eac2d08db4923f3d558ef...
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.