OpenTechnical

OT-2026-000058397

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000058397) never changes.

Identity and time

Publication numberOT-2026-000058397 · never reused
Internal UUID01a0ae88-f39a-7d3e-a747-147d7c11e32d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058397
StatusPUBLIC

Content hashes

Canonical text1fe5f4204a5b930f76a50f7bc05fa23bf4279d03e79f619531646537f6443f35
Markdown3e6af7b5a9f614cbe36eb6857b8a8ac10153225f0da8adf4e627f8bf73feaf07
PDF
Publication pagee09ca786568ae90385444048852f48d77c759f598dde07f020289da5e25552e4
Manifestc2e901807c20ff43dd27100acc16d0286830d5db64f85365bbb06dd78d2bd9fd

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
SignatureABZIC8C0uyURgNzxBp5A0442Aejn2Q3n0thaOfBYhJAGPGlq2y74eqewx7lipp2wTzgawzouHFotEl9fnaEhAA==
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

2026-09-17T10:46:49.579735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058397
observed e09ca786568ae90385444048852f48d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.563081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058397/manifest.json
observed c2e901807c20ff43dd27100acc16d028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.545906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058397/publication.md
observed 3e6af7b5a9f614cbe36eb6857b8a8ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:49.529184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058397/publication.txt
observed 1fe5f4204a5b930f76a50f7bc05fa23b...
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.