OpenTechnical

OT-2026-000013733

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000013733) never changes.

Identity and time

Publication numberOT-2026-000013733 · never reused
Internal UUID01a0ae6d-8de9-7d3d-8d33-aa126f07f14f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013733
StatusPUBLIC

Content hashes

Canonical text3bfaecfebf16d8d202958bd41b106a2d01f581f672f3e4eca1ae15b24025cc73
Markdowne370b245fe11f00394c361e100fc2ea4c313d4431bd81c93262ab7129e3955ab
PDF
Publication pagef680131dafca434bdca088339c58afd4eb553187f24435fe1ac437e8bc7de062
Manifest95e448a113a0c99e1b18d5c8adb091ebe9454731a54023c36b13a45680956780

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
SignaturexnanDH3n8ZEsA3f2Hlz78wHpDmxnE9Lryhat0JDwlla6xTfNhowrHW69AHcBDJ7l9G0YwX0crwu7lz/LGdQBBw==
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

2026-09-17T12:08:41.927222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013733
observed f680131dafca434bdca088339c58afd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.908356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013733/manifest.json
observed 95e448a113a0c99e1b18d5c8adb091eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.887903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013733/publication.md
observed e370b245fe11f00394c361e100fc2ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:41.866635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013733/publication.txt
observed 3bfaecfebf16d8d202958bd41b106a2d...
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.