OpenTechnical

OT-2026-000081925

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, sustained blow-off 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-2026-000081925) never changes.

Identity and time

Publication numberOT-2026-000081925 · never reused
Internal UUID01a0ae97-0f76-76c0-bc21-e1171fc62eff · 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-2026-000081925
StatusPUBLIC

Content hashes

Canonical text58c6df7625679a7a02bc8d9fde6b1d7884e69a7eb3481ac29315cc70ee1ba2b2
Markdown1cc08aea8f3150e31f0d63bfc117e5293ec5d316e2ac7517a17ca074ac7fb597
PDF
Publication page16104b8e2f3c89783dbb83a67e5662a7fc5fbbab9a26cfb49bbf59a08f0744e6
Manifest2daad9a952c045e5b437f27cd6d66c81a6469429ab803d4ec13bba93edd7a9f1

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
Signature+pJ4T9lOtXTr6jDYqdMbawSkDfDQhYHmx03cHKHRIFcJ7AAavMZKEheeaHv98qNj4fPurKDiQFo7R+pYEjK2BA==
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

2026-09-17T10:01:03.298713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081925
observed 16104b8e2f3c89783dbb83a67e5662a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.280749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081925/manifest.json
observed 2daad9a952c045e5b437f27cd6d66c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.262749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081925/publication.md
observed 1cc08aea8f3150e31f0d63bfc117e529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:03.244944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081925/publication.txt
observed 58c6df7625679a7a02bc8d9fde6b1d78...
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.