OpenTechnical

OT-2026-000097019

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000097019) never changes.

Identity and time

Publication numberOT-2026-000097019 · never reused
Internal UUID01a0aea1-01c9-718f-a997-6bdc00d37a7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097019
StatusPUBLIC

Content hashes

Canonical text961d52ed4bef791ca1b88f795f9a71a56265356322fbd5d7c18c6385e21f999f
Markdown7ea61f339b2d359ba1036a80820d27c4d88b0f5b8bb6371d9123fed78c36a71f
PDF
Publication pagee472944918cc51639c744a94b5ba5b4bc0f893bfdf873207617f187bbe262680
Manifest5be575b819a673593982adfe986c61e80fa14d9267c4c411c8969e19d5f91b8f

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
SignatureCDXFUaBZbMrYHe9i1sWhTn7FDQBvn/EKbw8ETp2SvVN3ldhw5sVBhVt5RpJXYaTObd2+XjvTVWED5uGCmB9XBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:30.203427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097019
observed e472944918cc51639c744a94b5ba5b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.184189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097019/manifest.json
observed 5be575b819a673593982adfe986c61e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.166365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097019/publication.md
observed 7ea61f339b2d359ba1036a80820d27c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.146896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097019/publication.txt
observed 961d52ed4bef791ca1b88f795f9a71a5...
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.