OpenTechnical

OT-2026-000079412

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000079412) never changes.

Identity and time

Publication numberOT-2026-000079412 · never reused
Internal UUID01a0ae96-0b91-7f51-b066-7b67567cb164 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079412
StatusPUBLIC

Content hashes

Canonical texta2274365f161c2286167af34c6e4d9b3b939232cbd9eac08ed0cfc9f1e10928a
Markdown6e7a8e4aa1afba7211bc41118125c6585da12fe160f18daade66ae9acc589108
PDF
Publication page68ccdc2bc03a0f3f807ed95daad53394cc816f757706b4c2e4778178061793fc
Manifest415207dc8f7989a439b7c804dce7a9a6fdcf37cbd404c11c8f6d87c084cffc58

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
SignatureOuvZDvdRrvZMb5F3dAPopAs6WNlfwvfdQJFe9ZgGR8ufrWFxHfkWdlit11d/A92Lmf1Vf4zm+VLAfxX2bzBNAg==
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

2026-09-17T10:05:02.181169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079412
observed 68ccdc2bc03a0f3f807ed95daad53394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.159852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079412/manifest.json
observed 415207dc8f7989a439b7c804dce7a9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.132155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079412/publication.md
observed 6e7a8e4aa1afba7211bc41118125c658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:02.110715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079412/publication.txt
observed a2274365f161c2286167af34c6e4d9b3...
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.