OpenTechnical

OT-2026-000081780

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000081780) never changes.

Identity and time

Publication numberOT-2026-000081780 · never reused
Internal UUID01a0ae97-0f74-732d-afca-bf7556d6dc49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081780
StatusPUBLIC

Content hashes

Canonical text4abdcb6e5fc496f6fd3ad00b1295016f4d0419e501d6b14cb9f11d3ba7553094
Markdown6cbaefbea5a793a6061baab92bb4ced5586c0f91402b0832962037a2a6315637
PDF
Publication page3b6296bd28c06589310508a2062c24800ddd2cc326967ff683cf128f72e0e300
Manifest16480fc2532649e2616eff338d790ec8fccc4e266c08d77c524c7d239cd6fdc6

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
SignaturevoEEVgwQdOZm6BRY2MLbn0LWnshmafDjqclnwZyf+cohpRgRVLCQujcKK/RrFt0a1Gb3ksefE0ugO8N2CuX0Bw==
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

2026-09-17T09:59:52.529651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081780
observed 3b6296bd28c06589310508a2062c2480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.512111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081780/manifest.json
observed 16480fc2532649e2616eff338d790ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.493878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081780/publication.md
observed 6cbaefbea5a793a6061baab92bb4ced5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.475438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081780/publication.txt
observed 4abdcb6e5fc496f6fd3ad00b1295016f...
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.