OpenTechnical

OT-2026-000048915

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000048915) never changes.

Identity and time

Publication numberOT-2026-000048915 · never reused
Internal UUID01a0ae81-134b-79aa-9135-9ca35f9612c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048915
StatusPUBLIC

Content hashes

Canonical textd489975f219030ddd75272fd817140480897e177971050f1f861be0f80c68f75
Markdown91a254d31020744473f833625222602ccd7c94ec5ae0e9e692deb743926c31e1
PDF
Publication page944046f76ab36a9151ff5ae3b2e84a9ce6eab4997beab0c4d1857a07b0e04d98
Manifestcb42a535e3c9e4d0e2397678214a6e01e8be2fb6fa012ec38c9b419ba53781b5

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
SignatureluQ4tWX6ZsEx/+SD218nvk60YqDAP2/s4/Z/Evqo9xVt02YhorNQco8vQmj84a52Z80MmQcffK34BRWNpDhADA==
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

2026-09-17T11:03:05.403171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048915
observed 944046f76ab36a9151ff5ae3b2e84a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.384014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048915/manifest.json
observed cb42a535e3c9e4d0e2397678214a6e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.364451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048915/publication.md
observed 91a254d31020744473f833625222602c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.345815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048915/publication.txt
observed d489975f219030ddd75272fd81714048...
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.