OpenTechnical

OT-2026-000071129

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000071129) never changes.

Identity and time

Publication numberOT-2026-000071129 · never reused
Internal UUID01a0ae91-e0eb-78b3-a72a-ee7110f3da0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071129
StatusPUBLIC

Content hashes

Canonical textd06571fae24117f275c5818a8e5e6dc42eb2d67eb2e910d43463b8cadb79099c
Markdown4723555f9aff608218b3845dad38cfdf2f0f5e4e6f1dcb890b65f65d9bfaa8cd
PDF
Publication page2faf8434f67096111740465926918a2f2728712edd537df1253ca5ce1c5cc9b2
Manifest6c9fe7e5d2041fd3453b31b6d6a35ab75ef198ff89efe5cb6bddd28abefa46d1

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
SignatureXrzX/DWL1TBwYHeqYX0BLJjdINogv/lN/H7PCDXOy7o4K7Rrd/8KOLgCCgdYHDb1EFeF/OOkIDaLpbhx8BprCA==
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

2026-09-17T10:24:37.558989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071129
observed 2faf8434f67096111740465926918a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.538956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071129/manifest.json
observed 6c9fe7e5d2041fd3453b31b6d6a35ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.519444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071129/publication.md
observed 4723555f9aff608218b3845dad38cfdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.501336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071129/publication.txt
observed d06571fae24117f275c5818a8e5e6dc4...
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.