OpenTechnical

OT-2026-000083454

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after set-down

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-2026-000083454) never changes.

Identity and time

Publication numberOT-2026-000083454 · never reused
Internal UUID01a0ae97-c965-74d6-a801-a0bfc41b68ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083454
StatusPUBLIC

Content hashes

Canonical textfb4dd580e7b97aa2891217ad95eac8ff852c4c20c8a430fbde355b75093ba96d
Markdownf808e91e93cc55257576d15d17b10350bd4b2ae2991ea1a6de1757a05b973dc0
PDF
Publication page52215139a78223d3f77a9d388c48bbe3bb5d9a44fb7d269415727e30cf74a823
Manifest4e4aa51468a1b5a515e398d8cb6753dd91e0ece60004198cdd0ec31012503f2a

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
SignaturebpslAMg2LH5mACDlEx23cAJbvQUgYfTWQdEOGWZUWfX6RmftE85PjgCf57bMtbRanjFmQCj0Jzmbqpvtij/fCA==
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

2026-09-17T09:57:52.400216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083454
observed 52215139a78223d3f77a9d388c48bbe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.382054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083454/manifest.json
observed 4e4aa51468a1b5a515e398d8cb6753dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.366357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083454/publication.md
observed f808e91e93cc55257576d15d17b10350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:52.350467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083454/publication.txt
observed fb4dd580e7b97aa2891217ad95eac8ff...
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.