OpenTechnical

OT-2026-000019299

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pulsed 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-2026-000019299) never changes.

Identity and time

Publication numberOT-2026-000019299 · never reused
Internal UUID01a0ae6e-f392-7268-89bd-4947c5b5771b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019299
StatusPUBLIC

Content hashes

Canonical texta1bc602a0cdf6ec3bae49f348cc28444f968648711b6e159e8807caf49ae880a
Markdown6c49f46ff9f76930f67f7a73885ee05d791a8f6064a546a9acc16352b4d1f108
PDF
Publication page0ca1f517e8a66867bca8e3faae1fb01afbaac29d6ccb1d86b39a1cda04e602da
Manifest6657db3a5f64105de1211949f7d07ddd8f33e8b0887bab834cf92573c068ed50

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
SignatureIwzqonbpk28Z3tbzxnlaPwBkKUUiKRT9NaJMv1wvkCrwQTiq5nBU15ktGEbMPKd7mYOKBDhZFxyjBeBN4gsjBw==
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

2026-09-17T11:58:39.403698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019299
observed 0ca1f517e8a66867bca8e3faae1fb01a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.385200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019299/manifest.json
observed 6657db3a5f64105de1211949f7d07ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.367549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019299/publication.md
observed 6c49f46ff9f76930f67f7a73885ee05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.346964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019299/publication.txt
observed a1bc602a0cdf6ec3bae49f348cc28444...
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.