OpenTechnical

OT-2026-000076389

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000076389) never changes.

Identity and time

Publication numberOT-2026-000076389 · never reused
Internal UUID01a0ae94-6a70-7ad2-9636-8b9fae06d241 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076389
StatusPUBLIC

Content hashes

Canonical text81e309b04844231b76c7640dd36e074458d72a18c7e7385fbcf2f102581a88f9
Markdown655a1c1b1557116ee2f598907624999985e14705c192058a59876af228198bbf
PDF
Publication page7f52f95f677708dfefb4119a6de7a0a360cad7a9194c42dcb260f5ecd2213d64
Manifest50149c748a16c7cfa0f2fca0521d33e6c8b1fcff59b7aeda61b5545250a46351

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
SignatureZ1pEovSxdkzSe9+ol2QS97JVy1yZDpf82d0OlKPPa3c3/YONOBV8FjEvw8aoy3P91sZb1pHaY61Qtp6RLAmtBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:17.204751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076389
observed 7f52f95f677708dfefb4119a6de7a0a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:17.061998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076389/manifest.json
observed 50149c748a16c7cfa0f2fca0521d33e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:17.039434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076389/publication.md
observed 655a1c1b1557116ee2f5989076249999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:17.018623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076389/publication.txt
observed 81e309b04844231b76c7640dd36e0744...
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.