OpenTechnical

OT-2026-000054415

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-2026-000054415) never changes.

Identity and time

Publication numberOT-2026-000054415 · never reused
Internal UUID01a0ae86-1282-700a-a176-52250c1f89de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054415
StatusPUBLIC

Content hashes

Canonical text6f6e44bb01478643d5b5a8af74ff9f0b4671d78888fa70b3bb2a0055187d636a
Markdown459c6791938553f7da6f9f52288d8a0d8c9176550a667c3a32ad927df6dad909
PDF
Publication page71c2d81eb799f13a67edc4e94fb2580e4c823acca8c1df2cbdc6d24048c8c2f7
Manifestfa09bc6cf3a2dc9fbc5ff289a7f54c720f581e4e66acc5dc2f4c57f205405012

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
SignatureSNh6ae6HvLyWX8cPBGVjFdkcb3xkAiI3w9lX/NaQ2gDHHxCGteB2nNzjRDWW7U9QSRaUr834ZqCJHRLfAjDzAw==
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

2026-09-17T10:53:23.730386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054415
observed 71c2d81eb799f13a67edc4e94fb2580e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.710994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054415/manifest.json
observed fa09bc6cf3a2dc9fbc5ff289a7f54c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.694870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054415/publication.md
observed 459c6791938553f7da6f9f52288d8a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.678120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054415/publication.txt
observed 6f6e44bb01478643d5b5a8af74ff9f0b...
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.