OpenTechnical

OT-2026-000072413

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000072413) never changes.

Identity and time

Publication numberOT-2026-000072413 · never reused
Internal UUID01a0ae92-89d7-7d3b-b598-e8f6f6d3dd48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072413
StatusPUBLIC

Content hashes

Canonical textc10523340e21c3b1a74c5b2d336e4e5e111db517bf5c70c9e4326c2b31804390
Markdown0fbc66f203ef1d8407103968598174bd32996b4d462823dcfd6df39a76fcb273
PDF
Publication page113d72e6ac8bec5f9915c6da2767d78b9c0b9e6fd59ec032af270babb8b159ca
Manifest2d744c911bf9dd2ed20d21b9d6bd75275884a1349ffb139b1314d4b690cadfe8

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
SignaturezagFq9mc52FJFdyh3Xj7N/bJYpe1dEMFvBZycmxCKQRTopvGCB5Bdf+it9tBhJi/MTvEHqOmqfjDz29GLdrWCg==
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

2026-09-17T10:22:13.615417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072413
observed 113d72e6ac8bec5f9915c6da2767d78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.599129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072413/manifest.json
observed 2d744c911bf9dd2ed20d21b9d6bd7527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.579843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072413/publication.md
observed 0fbc66f203ef1d8407103968598174bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.561741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072413/publication.txt
observed c10523340e21c3b1a74c5b2d336e4e5e...
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.