OpenTechnical

OT-2026-000059226

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000059226) never changes.

Identity and time

Publication numberOT-2026-000059226 · never reused
Internal UUID01a0ae89-8613-7189-a3f4-8db7c70e8d5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059226
StatusPUBLIC

Content hashes

Canonical text7df4dcc7832f89e58e5fc71a2c57a2e68a5a86aa7e8913f78f5c369d2eb4bc0f
Markdown22330fd0e0c6a7f17766f0f7492f41cea46abe1344a091066b47c15b76ea4778
PDF
Publication paged1fabbef165629127a842779ece39e6bda8569d6e14886bd1a833cbae2f3dd34
Manifest3a64f968f040256d0cec3e8f0dc24b2d1ac931e5fd00e6fce16913c2a115c373

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
SignatureEi9PEKBxHTosCODXBuKm2Z7zCan/dni6b53zUNZhap+gIK3A0dSsZ63YC8CUJTNxQCo35fM9R7p/BdXPd8DAAQ==
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...

Independent retrieval

2026-09-17T10:45:45.570901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059226
observed d1fabbef165629127a842779ece39e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.552764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059226/manifest.json
observed 3a64f968f040256d0cec3e8f0dc24b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.536063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059226/publication.md
observed 22330fd0e0c6a7f17766f0f7492f41ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.518311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059226/publication.txt
observed 7df4dcc7832f89e58e5fc71a2c57a2e6...
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.