OpenTechnical

OT-2026-000058721

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000058721) never changes.

Identity and time

Publication numberOT-2026-000058721 · never reused
Internal UUID01a0ae88-f39e-713b-8fa2-ce002a2cba6f · 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-2026-000058721
StatusPUBLIC

Content hashes

Canonical text954a57a0bd3faa277a7fcd43314606fb4348dec127737489d30f38fe43309059
Markdown200702c7f8a0c5bba1429f92dbc886d38bab1913e634566dd22845be4ec6b0bc
PDF
Publication page0d55d6e43dab8412419c5de6af59a160974ecf600106b90c2f9db18c1680b945
Manifest18ebf3b325499720ca3fe977ed2d02cc5a29cc7a23c31878ab3ce41c39ddb4e3

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
Signature3HMlhzbbNJCXbEEKI5iLku/ecYCXL7dJuCcrW4PXKrfGzCHb7mrUL6Vrq9OHjoQVzi482dfBeGg+RMAtvmoMCw==
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

2026-09-17T10:47:15.150707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058721
observed 0d55d6e43dab8412419c5de6af59a160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.133414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058721/manifest.json
observed 18ebf3b325499720ca3fe977ed2d02cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.116268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058721/publication.md
observed 200702c7f8a0c5bba1429f92dbc886d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.098685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058721/publication.txt
observed 954a57a0bd3faa277a7fcd43314606fb...
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.