OpenTechnical

OT-2026-000038541

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000038541) never changes.

Identity and time

Publication numberOT-2026-000038541 · never reused
Internal UUID01a0ae78-2d53-7735-99f3-58c3ba4c1f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038541
StatusPUBLIC

Content hashes

Canonical text6ace35c9545866ce5bc70199bf0fa7511987cf12f22402e21fcf6bd5e7b11d33
Markdown8a75622217ebc8a0dc7e0cbd9f792c546fec7295fe7ea00e977ae8b193982731
PDF
Publication pagea381e5c1d56c3114cbd27529a9c21907c45af7702716727982c705a3c2a0fed4
Manifest180f8264668415e193ffeed435e5c13d8b7b7320c62fd2f93c7880c95150edf1

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
SignatureRpj8Med6rnMsSrdtn5dBp9N/F9YQnVCV6V/ywKetA1SNeojoBNFrBcE37TISbhz2AhOZfqRNdinszxqlN1V9Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:48.113430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038541
observed a381e5c1d56c3114cbd27529a9c21907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.095932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038541/manifest.json
observed 180f8264668415e193ffeed435e5c13d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.076892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038541/publication.md
observed 8a75622217ebc8a0dc7e0cbd9f792c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:48.055277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038541/publication.txt
observed 6ace35c9545866ce5bc70199bf0fa751...
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.