OpenTechnical

OT-2026-000074502

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000074502) never changes.

Identity and time

Publication numberOT-2026-000074502 · never reused
Internal UUID01a0ae93-717a-7900-ad0c-be06554c5293 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074502
StatusPUBLIC

Content hashes

Canonical textba4a49b19630d69458eb24088bf81949ec86aa700f915d14bb82558260b4cae1
Markdownf7faa878642a52eb370a75bcd532bee1f8c0bf3c1253e221319ed82d3d10a6ff
PDF
Publication pagef19e766e39ed43a9ca160427f2f07423249973e9689a79fd07e8e3ec8061839e
Manifestff16e6475832ce3d3780f8f77ffdcb1034bde3c0e98ef2d7dcf0da53dfdc1235

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
SignaturetM9bfBV7WveEpHJgdFELENdsbf34yYAiURhX4KpfKCzJeLnI+QrVBpYHK1oLKIJl3M6xZg/IW8Cv4KLmdZgvCA==
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

2026-09-17T10:19:28.418870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074502
observed f19e766e39ed43a9ca160427f2f07423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.401684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074502/manifest.json
observed ff16e6475832ce3d3780f8f77ffdcb10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.382939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074502/publication.md
observed f7faa878642a52eb370a75bcd532bee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:28.363570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074502/publication.txt
observed ba4a49b19630d69458eb24088bf81949...
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.