OpenTechnical

OT-2026-000054025

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000054025) never changes.

Identity and time

Publication numberOT-2026-000054025 · never reused
Internal UUID01a0ae85-b3a7-7ff8-8c07-9221ad47302e · 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-2026-000054025
StatusPUBLIC

Content hashes

Canonical text041746b3f4595673ef83417d9676cfaed59b1b097d45895ab77fd98aba16f67f
Markdowna385c74b83c67616504f36faebc6a0b93d79ec97788dcffaa0cd65ddef571f5e
PDF
Publication page261f0ce429f9ca1007b38410a51c3a21668dd4d94a13e139b8bbcb5e4d545074
Manifestedf27a1dfc6970b03e9e9419fcf302fddc1f1c72afb1d1c70b61ad32bb0f9c99

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
SignatureM9TqMmpv7+dmEkPKhibaDLQYPquIhCvqnpH+kxUkYG7lN+NID72vW6C1IMEvwBX/ZaGlxZYMZD1Gw6SMwMKHAA==
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

2026-09-17T10:54:23.222730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054025
observed 261f0ce429f9ca1007b38410a51c3a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.201024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054025/manifest.json
observed edf27a1dfc6970b03e9e9419fcf302fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.177201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054025/publication.md
observed a385c74b83c67616504f36faebc6a0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:23.156449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054025/publication.txt
observed 041746b3f4595673ef83417d9676cfae...
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.