OpenTechnical

OT-2026-000035491

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000035491) never changes.

Identity and time

Publication numberOT-2026-000035491 · never reused
Internal UUID01a0ae76-b4c4-7886-95de-9492fb67a41f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035491
StatusPUBLIC

Content hashes

Canonical text11640c6490d123276b7b1065a7eb65fac87e0f997b731e46023a2b174d42338f
Markdown51c9a9e08b51eca8cd6af5b365c7dc7761e0ee5b6e4032c226eaba7bc5bd321f
PDF
Publication page2562912c1fcff6de78d2ec387d298fb73c139d5be2f706171a22cb8fcadb57f4
Manifest8579ca02f3f21e5112bc52225eb7dd23775db9c88f24a6e0c2051ac920bef56f

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
SignatureiCYx6o72DbAnzpAgnP1yFVyhyJCcWRhWZAfholVBmKzbaAEvTXaNQsbUQnBIB8VFti+0eX4dr2wwRAOrEG/eBg==
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

2026-09-17T11:26:54.349640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035491
observed 2562912c1fcff6de78d2ec387d298fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.332998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035491/manifest.json
observed 8579ca02f3f21e5112bc52225eb7dd23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.315392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035491/publication.md
observed 51c9a9e08b51eca8cd6af5b365c7dc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:54.297691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035491/publication.txt
observed 11640c6490d123276b7b1065a7eb65fa...
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.