OpenTechnical

OT-2026-000100078

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100078) never changes.

Identity and time

Publication numberOT-2026-000100078 · never reused
Internal UUID01a0aea3-1474-70fb-9fbe-ba9b7eb62cad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100078
StatusPUBLIC

Content hashes

Canonical textb28a4b7adbfd5ab0b4d44f818073b81f3ae653fbc7c602e4d20410d228e89c82
Markdownd2d586094ba4fa69ae84b050da9f178bb29fcd8e0e84f1506d2b85a6f4c33df7
PDF
Publication pagee7a9a4a2aab9299d745f738a4e502b957fa45e6252c8aea48effa06fe7edaaea
Manifestbdd69c1e4f14d1450e5e0552f943d6aaa43abf7d7381ce1298f45057dff228ca

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
SignaturejEOByx7WDnzX2YLBMg7W4kAtpLlDLT7vJwtxCgRavQw95PjSv3AcW4k38IHV+1lZelury98qv/81zb0ilLegCA==
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

2026-09-17T09:29:01.717600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100078
observed e7a9a4a2aab9299d745f738a4e502b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.698981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100078/manifest.json
observed bdd69c1e4f14d1450e5e0552f943d6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.680484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100078/publication.md
observed d2d586094ba4fa69ae84b050da9f178b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:01.661450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100078/publication.txt
observed b28a4b7adbfd5ab0b4d44f818073b81f...
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.