OpenTechnical

OT-2026-000055611

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000055611) never changes.

Identity and time

Publication numberOT-2026-000055611 · never reused
Internal UUID01a0ae86-a103-7a01-9d30-1bfffbdc4412 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055611
StatusPUBLIC

Content hashes

Canonical text3fac441838ec6f5fe508e2511e9cb049ffef28fb3cec4470608a925fe90c4699
Markdown1df336082f016700921f3afaf1038cb83d357505dda523bbbd7f8b9200fd4ee9
PDF
Publication page39b8db859496fa4de55744446dcb270cd68eb277fae4e7ecaaaf1de8f9d2ddcb
Manifest0a8aa5f62f1bb1644e607aa2c5d07eb7062ddb14ce87a738ad73829031bbef3c

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
SignaturenT3IjY8uwnJnJQ6yw616H8IGi9Tgi1n09V5Ss60tJ3Lggw4Pi3OEVkLaHJ6Ajfm4jOZWTXk/q3sCMbnBGNXKDw==
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

2026-09-17T10:52:51.291515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055611
observed 39b8db859496fa4de55744446dcb270c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:51.274129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055611/manifest.json
observed 0a8aa5f62f1bb1644e607aa2c5d07eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:51.257100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055611/publication.md
observed 1df336082f016700921f3afaf1038cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:51.240591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055611/publication.txt
observed 3fac441838ec6f5fe508e2511e9cb049...
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.