OpenTechnical

OT-2026-000038607

Publication integrity record

Three bellows 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-2026-000038607) never changes.

Identity and time

Publication numberOT-2026-000038607 · never reused
Internal UUID01a0ae78-2d54-75ed-96c1-b1ba8c075375 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038607
StatusPUBLIC

Content hashes

Canonical texta65908a411dda685e28e3a653166f564ec146242820a7f99a0c068395ce0f520
Markdownfc00514f61270ff4a861f4fb07fdfd57d774690cee29018385abf0322a5eab28
PDF
Publication page3a2a2415924f7fff36a9a89473cf39b49c5b983cfe1cbc281b913eabb657dc66
Manifest98833f9ebb9a7d7802cc17978131f6a00644a52154d7aa72afc187109bc1aa19

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
SignatureT0+Rn+36GeFoI9yd2buSLDX709VY78u+VNpDAsylEP+UaJgZzPf9TRQZysH1b6fK1/OM0xbghk/kUwJOT1noAQ==
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

2026-09-17T11:22:53.860194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038607
observed 3a2a2415924f7fff36a9a89473cf39b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.841288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038607/manifest.json
observed 98833f9ebb9a7d7802cc17978131f6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.821518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038607/publication.md
observed fc00514f61270ff4a861f4fb07fdfd57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.802369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038607/publication.txt
observed a65908a411dda685e28e3a653166f564...
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.