OpenTechnical

OT-2026-000054919

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump 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-2026-000054919) never changes.

Identity and time

Publication numberOT-2026-000054919 · never reused
Internal UUID01a0ae86-5e7f-77c3-996d-0b224a18ae9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054919
StatusPUBLIC

Content hashes

Canonical textfd1861551d055b2a0d80b9117e81db18f646d146615d3f9d9ed0e98ae5029bc4
Markdown682790cc92a255d801c3850f7913749235a80c22176b71a18459221f464b0c7f
PDF
Publication paged34e3cf1ffecf10b3f4cd6d28f39a2bf6418e718d3a47e3d723e81ced1c9d797
Manifest2a419b78fae3864f2cd1cf34095f55215f5e74322791326fcf84c0f22c0017c6

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
SignatureXx4CMK7S+LxuZ8ZWV1KU4+tSOxfzDEEWItJIo7vDCDw1Kny9fxPZ9zMZ/GkRbtQgPTXbRbf96LICg5vtzTJ9CQ==
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

2026-09-17T10:53:01.191136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054919
observed d34e3cf1ffecf10b3f4cd6d28f39a2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.172786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054919/manifest.json
observed 2a419b78fae3864f2cd1cf34095f5521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.154206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054919/publication.md
observed 682790cc92a255d801c3850f79137492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.138112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054919/publication.txt
observed fd1861551d055b2a0d80b9117e81db18...
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.