OpenTechnical

OT-2026-000074472

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000074472) never changes.

Identity and time

Publication numberOT-2026-000074472 · never reused
Internal UUID01a0ae93-717a-71ff-a6d6-f38a56b23680 · 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-2026-000074472
StatusPUBLIC

Content hashes

Canonical text41b207b2da088dc0d17222cf60f9a321577a6ba08cbfb9d571371d947ac49c90
Markdown505511b12283da13ab0877992862094898ca462b2b0729ff18e213df496bdb8f
PDF
Publication page76e77c0742d3db57986e6273de6947afdddcf10402c308ead0ff21ab050107b2
Manifeste8ff5b22233f107f74276623a309da8b5b30173496c2aecbfcce7ae65863e533

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
SignaturexZqE8DUy0J91A7X1klUxavaXkFx2h094OOEylB9pFdbfZCNXbRr7LlV5M130ZlyPywPpEbBivjKhvwlkYVI4DA==
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

2026-09-17T10:19:26.034559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074472
observed 76e77c0742d3db57986e6273de6947af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.016798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074472/manifest.json
observed e8ff5b22233f107f74276623a309da8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.998396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074472/publication.md
observed 505511b12283da13ab08779928620948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.979580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074472/publication.txt
observed 41b207b2da088dc0d17222cf60f9a321...
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.