OpenTechnical

OT-2026-000083542

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000083542) never changes.

Identity and time

Publication numberOT-2026-000083542 · never reused
Internal UUID01a0ae98-0415-76e9-abba-3c846a05fb3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083542
StatusPUBLIC

Content hashes

Canonical text1cd2632e8ce91ea7421641f4a72843c170d96581c4bc9d1dd3b36acb580ec55f
Markdown7d0cda9a14142cec4d76f0fbceac09c89f90eb6c11a0a4b9cbced8093db4b8ad
PDF
Publication page446991e2b33837a92af36fb1c9904b8c2bdc68b6c8e369c95ada6fbed34c3867
Manifest328cbd026f7ac6d42450c2b4cbb0d4c15750075146f63705c669511cc5f02e1a

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
SignatureHzFC1vm5U9zDaqlCwF74yhqoKZ8OL3M2lgqHfvQc07b917EAn0niMDp8jRgLywy79p5EKXSFy0Ab6IZ0PvQRBQ==
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

2026-09-17T09:57:01.425922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083542
observed 446991e2b33837a92af36fb1c9904b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.409754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083542/manifest.json
observed 328cbd026f7ac6d42450c2b4cbb0d4c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.392472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083542/publication.md
observed 7d0cda9a14142cec4d76f0fbceac09c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:01.376488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083542/publication.txt
observed 1cd2632e8ce91ea7421641f4a72843c1...
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.