OpenTechnical

OT-2026-000071155

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, 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-2026-000071155) never changes.

Identity and time

Publication numberOT-2026-000071155 · never reused
Internal UUID01a0ae91-e0eb-749f-920a-1a1a0378a265 · 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-2026-000071155
StatusPUBLIC

Content hashes

Canonical textccc6be226e9dbdd30f6c74bd08dc8b2bd389a9b3c3b5723a4ef571cf547ca123
Markdown88664a95ff52a530deec97b6b820b0e755118416241fb32d785df3df1c7c55be
PDF
Publication page2c567b14da1e07c6719c573be3a9c550241f2ce6a46a04273c6b596b233114b6
Manifest8298f1d9cde2096bd4f1cedca58fa993593778924b2b7f515d66c95ac1da0097

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
SignatureVVW0Hj5aGekVzxSP8yyuVuUbjys/Ix88aWZqXOSGgxxMBU/bGCOfcRSSc20xK84dmaHdMd4LFyCHTMvPQVaoBQ==
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

2026-09-17T10:24:39.667916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071155
observed 2c567b14da1e07c6719c573be3a9c550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.650497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071155/manifest.json
observed 8298f1d9cde2096bd4f1cedca58fa993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.631042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071155/publication.md
observed 88664a95ff52a530deec97b6b820b0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.612662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071155/publication.txt
observed ccc6be226e9dbdd30f6c74bd08dc8b2b...
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.