OpenTechnical

OT-2026-000101133

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000101133) never changes.

Identity and time

Publication numberOT-2026-000101133 · never reused
Internal UUID01a0aea3-c378-75e7-8a7d-ec280fe913d5 · 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-2026-000101133
StatusPUBLIC

Content hashes

Canonical text38a5be0b302f7bad2062ef4106e945aaf235be865bab5aed8721fa8837477e20
Markdownd1c5b3861daeecf0e27dc00caf5932ef4ca79a5954f576accd9666c537042ab8
PDF
Publication pageeb75c90e9f94f4391463c618f2d0eb5fd1ff2f26ee4c40b93cf42bf64820786d
Manifestb65789343e4c258deab42159c9909799b87cc1a774b7d4b7314cd1f5a95b9876

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
Signature0e1YQ6WTgiddoFXnCWqd8GdgwOanrOiNmI6VUvAIhP8Mn7fft8SbzCJOWSMsHrB2w/vc26UYCVMu5pSbAmPFAA==
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

2026-09-17T09:26:45.841599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101133
observed eb75c90e9f94f4391463c618f2d0eb5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:45.823631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101133/manifest.json
observed b65789343e4c258deab42159c9909799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:45.807253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101133/publication.md
observed d1c5b3861daeecf0e27dc00caf5932ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:45.788885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101133/publication.txt
observed 38a5be0b302f7bad2062ef4106e945aa...
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.