OpenTechnical

OT-2026-000100939

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000100939) never changes.

Identity and time

Publication numberOT-2026-000100939 · never reused
Internal UUID01a0aea3-c376-730d-b87a-e663b3800ea7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100939
StatusPUBLIC

Content hashes

Canonical text81c5569bf55d9c6be20924a9f7b698c0f057a1df46d8a1f5a44abd2289a50fa6
Markdownd2a60bf1becd39529b158e53db3f0bdd248f8a93a122f29ebe038ccaa5c4d51a
PDF
Publication pagec0776ef22d747a425f4626f5137cfa6db12c95703490f06d50003caf89887ca0
Manifestb81a7bdef09cbdf174467c5c2d26a671aaada1db91e6d33b0a4e0aec840acb3c

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
SignatureN5rmSrkH8ORtgu7jG4kSBOXZJ0/o5xiifQSAF8dnXpbDAp/gsa+TZBa/zA74XUU8tuO5WIzJXrXQcwI30ck+CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:26.643843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100939
observed c0776ef22d747a425f4626f5137cfa6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:26.626780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100939/manifest.json
observed b81a7bdef09cbdf174467c5c2d26a671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:26.609936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100939/publication.md
observed d2a60bf1becd39529b158e53db3f0bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:26.594432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100939/publication.txt
observed 81c5569bf55d9c6be20924a9f7b698c0...
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.