OpenTechnical

OT-2026-000029238

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000029238) never changes.

Identity and time

Publication numberOT-2026-000029238 · never reused
Internal UUID01a0ae73-2aa1-7204-8cc5-758569b08668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029238
StatusPUBLIC

Content hashes

Canonical texta1cf4351b7d2f074f650dedfcc536cc8504575734d60a914de5d1d6de162a31a
Markdown1ba8ce6cfb9680e55e913e59763ca3d3277808bfeb154d25bb868b4f56f33f55
PDF
Publication page5fa8dac34ac01c59da6bf0a712de65fd2ab39bf2a1c19562527024b60f8f89be
Manifest529846f8374c9a014f930e36dc52ae75fe02c77a6e1ce7b057f3421f115dd818

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
SignatureWCSP/J+rD13t7erdVj7dm1C0URVyrD22H7Yufk44aoV6l++0kGM6TSOV7cHuVTzs/opCu0iHiU6wXYFDVcWnBA==
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

2026-09-17T11:39:51.785101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029238
observed 5fa8dac34ac01c59da6bf0a712de65fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.767983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029238/manifest.json
observed 529846f8374c9a014f930e36dc52ae75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.747943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029238/publication.md
observed 1ba8ce6cfb9680e55e913e59763ca3d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:51.729912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029238/publication.txt
observed a1cf4351b7d2f074f650dedfcc536cc8...
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.