OpenTechnical

OT-2026-000017306

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000017306) never changes.

Identity and time

Publication numberOT-2026-000017306 · never reused
Internal UUID01a0ae6e-76c8-7d52-8d66-8abad605c79d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017306
StatusPUBLIC

Content hashes

Canonical textf92c227429c0afdc55f1fa1020a8e6897ed330b13915ce0cc8ab7352d6b91ae9
Markdown9ecb2620bd4166e6fc033a7f3ccdf7c92673f78e6ef8641b7c677d66bfac5e1e
PDF
Publication pagef948fa051940cb991add785fb8c3abca0b897c9c4b5f431006c06d26444b6487
Manifest1656c2da00b177105b1d150925315987b42888511d6a3495d2242ec8e3d473de

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
SignatureTXTb4Wz6k2416RogtVKKt039xjILeQVAEUocacZxp5HalTVMF5vGHIxgni1mMK+J7OE7GQI4Wm9OEO6Bxz4sCw==
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

2026-09-17T12:02:24.494254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017306
observed f948fa051940cb991add785fb8c3abca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.478332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017306/manifest.json
observed 1656c2da00b177105b1d150925315987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.460621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017306/publication.md
observed 9ecb2620bd4166e6fc033a7f3ccdf7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.444614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017306/publication.txt
observed f92c227429c0afdc55f1fa1020a8e689...
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.