OpenTechnical

OT-2026-000054731

Publication integrity record

Four cup vacuum gripper, four 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-2026-000054731) never changes.

Identity and time

Publication numberOT-2026-000054731 · never reused
Internal UUID01a0ae86-1284-76a0-a69c-00464234d3d8 · 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-2026-000054731
StatusPUBLIC

Content hashes

Canonical texte706b0fa9c12ecd8433a6fb68800429035a3897edb045d2bcef8f7dc5ed6aa35
Markdown96829a2901ea2826dd6730abd1d09a8f37c03519b29a5e56f30ea8d50fe66d83
PDF
Publication pagec8c3a6f1a30cd71f8c5b4477d90cc957a3e0749f192d946328cfee94bb7bfe15
Manifest287d485548a2c9bec8941d5ce9eaf99c10c12bf0648570c50138c594ef2eaca4

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
SignatureuErH2eEMoFJASMYl5RKjBOYp8apjRZeLn02IZcY/E8xBqgAgAM0q+skzZQCDDX+De4baWdv7B7ekIR+M2sw/Dw==
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

2026-09-17T10:53:54.780235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054731
observed c8c3a6f1a30cd71f8c5b4477d90cc957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:54.762235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054731/manifest.json
observed 287d485548a2c9bec8941d5ce9eaf99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:54.743781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054731/publication.md
observed 96829a2901ea2826dd6730abd1d09a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:54.724571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054731/publication.txt
observed e706b0fa9c12ecd8433a6fb688004290...
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.