OpenTechnical

OT-2026-000039232

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000039232) never changes.

Identity and time

Publication numberOT-2026-000039232 · never reused
Internal UUID01a0ae78-9674-7029-b289-d9ff38e8f151 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039232
StatusPUBLIC

Content hashes

Canonical text91c3ae8a65b225143f894aaa5539bdb73bb7db52563b35bf71d12883a2959d9d
Markdownc66bb1b2f64e0bcda5b75239d006c41adfa02eaffe377fd13ed434bef397a3e7
PDF
Publication page029145d1e36d54358bad4f85544d9441da187736ba942ca2407feb79c94137cd
Manifestc398a3f2d2f0eb43e78943ae3893f6b91620a2b3630ca20b209d9cd3fd35b253

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
Signaturesqnbdpkwy9E0PCYQRHFP4zWRZjRwZNaPnPbD1OTC+WdWQA0/BV7RYkhgPVtrI9b8lEMTLcbZS4LQJT40njbVAQ==
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

2026-09-17T11:20:47.253084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039232
observed 029145d1e36d54358bad4f85544d9441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.235150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039232/manifest.json
observed c398a3f2d2f0eb43e78943ae3893f6b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.217678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039232/publication.md
observed c66bb1b2f64e0bcda5b75239d006c41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.201297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039232/publication.txt
observed 91c3ae8a65b225143f894aaa5539bdb7...
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.