OpenTechnical

OT-2026-000054403

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000054403) never changes.

Identity and time

Publication numberOT-2026-000054403 · never reused
Internal UUID01a0ae85-b3aa-7af3-80b3-a429922a1be6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054403
StatusPUBLIC

Content hashes

Canonical text3ff247d48e63968711a84f07fc3e1ceea50a7e619f3afdb1080c7a2e27977f6f
Markdown6298566a307a22a6bb3596683986a116fd67c02466d168c9080efcfc4c0a47fa
PDF
Publication page36a53b73db7bcc06def2930c586ec21e7ec1262ee5799abbcf9a1ca699c8d7b2
Manifest270d34c15cbacffaa6aa99740c08b734f9b0cb7dbaca9ecf7a7a6bf6a7655f94

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
SignatureFoF6wNicwZyMKy2xQmMn4RbDDXQG+4PVHR62/ihPiHLMyu9KTk9grnTYe1O2l/mSrwY3y5cvrLOXEMvDtx8RDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:56.835243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054403
observed 36a53b73db7bcc06def2930c586ec21e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.816365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054403/manifest.json
observed 270d34c15cbacffaa6aa99740c08b734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.795696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054403/publication.md
observed 6298566a307a22a6bb3596683986a116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.776168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054403/publication.txt
observed 3ff247d48e63968711a84f07fc3e1cee...
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.