OpenTechnical

OT-2026-000062089

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000062089) never changes.

Identity and time

Publication numberOT-2026-000062089 · never reused
Internal UUID01a0ae8b-b8b0-705c-8d2d-c852c158405f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062089
StatusPUBLIC

Content hashes

Canonical text00072d3a9e92a64d32024687c1bccc401b34e9ac2154f354d0e0029f4dcfa1e0
Markdown166028a7043315168a6a38ece0e97c9ed31b90789bfdc26695c1afe55d85e61d
PDF
Publication pagec439bec2caa7982c8d4c3c20e5eb54b2c55788982c2bdf03b8e0e8a8f0317578
Manifestdcb31bc349409d8de6d5bd157617acc7feb821ccf9204644f637e7fa1d381327

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
Signature2aqXRwtZUvqXa2Kpn4kOMGolozn0RjQpb/Q3QgSZsSX6DjN5EbSE0EYwWkUhtCHvTdNuXbaSp7zSbsKfKmIfDA==
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

2026-09-17T10:41:08.607891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062089
observed c439bec2caa7982c8d4c3c20e5eb54b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.589253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062089/manifest.json
observed dcb31bc349409d8de6d5bd157617acc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.571624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062089/publication.md
observed 166028a7043315168a6a38ece0e97c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:08.552583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062089/publication.txt
observed 00072d3a9e92a64d32024687c1bccc40...
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.