OpenTechnical

OT-2026-000077741

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000077741) never changes.

Identity and time

Publication numberOT-2026-000077741 · never reused
Internal UUID01a0ae95-2ecf-763a-8a92-befc82c112bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077741
StatusPUBLIC

Content hashes

Canonical text8b9e73f6e87e0f818ed837ccbb660897d44e62ba085b736512aa6816dacc7a54
Markdown6c1a3ee0f361dcf9250eebadce26042c3402e845620aa3dfc6ebe02216a5bae9
PDF
Publication page1a1fe66a61928e439cd11729d998671111805d6231ef32b63680d469c9747f03
Manifest1ab0ae0cd24b8ffb4725c6993f21d4ace80d5a5c451af856075aed3fd5660ca3

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
SignatureetWkj70i+B2Qk+LY7w7bpBwInsC6yb9p1Hc+qw2FNgpyDSjDuKWuK066E3mM7ZIko7nfUfqlEp9L/Xi/qtjqBA==
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

2026-09-17T10:07:19.150048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077741
observed 1a1fe66a61928e439cd11729d9986711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.131243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077741/manifest.json
observed 1ab0ae0cd24b8ffb4725c6993f21d4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.112718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077741/publication.md
observed 6c1a3ee0f361dcf9250eebadce26042c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:19.095430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077741/publication.txt
observed 8b9e73f6e87e0f818ed837ccbb660897...
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.