OpenTechnical

OT-2026-000100404

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100404) never changes.

Identity and time

Publication numberOT-2026-000100404 · never reused
Internal UUID01a0aea3-66ee-79fe-849b-778339348197 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100404
StatusPUBLIC

Content hashes

Canonical text01c9fa718e6b3bb0da2b7cd83e4f308751fc49d7f3778c7305284701cdf89517
Markdown1a675029ea6b4907d299f4f9266b77d16592bbe8f595afe128f2bddad77a132b
PDF
Publication page010f8d3cee1fcf1cba439c16b4d210b7eaef202d4350b7946ad6182f19270fa4
Manifest6970ae45784b23076491838de50544507b4d799fe7c780bec28c0836fa02c7f1

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
Signature+9/OUoZT+e4cm3gQ1VBLobsS3YAV1oaMu5yzXPIPBYseUEVDF2ciUbzP7FhkhnsAtL8/Lo0cZ7+UBagXRO4wCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:08.550731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100404
observed 010f8d3cee1fcf1cba439c16b4d210b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.533681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100404/manifest.json
observed 6970ae45784b23076491838de5054450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.517884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100404/publication.md
observed 1a675029ea6b4907d299f4f9266b77d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.499925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100404/publication.txt
observed 01c9fa718e6b3bb0da2b7cd83e4f3087...
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.