OpenTechnical

OT-2026-000104034

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000104034) never changes.

Identity and time

Publication numberOT-2026-000104034 · never reused
Internal UUID01a0aea5-341e-7fda-88e2-1355970469d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104034
StatusPUBLIC

Content hashes

Canonical textc0f6e3471fc4e1d569bf9d0b521bf0ac3a28aa27e60293cc4ab52942d4210d20
Markdownd0a7a14e31b9b21ba377de6b7e8ae814a8dc3815eddb0c7e175004c9606e6f2e
PDF
Publication page30f28bf62b8b35c40fd11db64361c2f6b0918621352cf0b0ed897bdb23146c80
Manifest9fc4441b1c1b6cccf13bca220895ebb02c44f2618d6dc1158d32a222357adf1b

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
SignatureQD35sy5zneWWli8Ck+2MG/CcBWz10R447kQ5fcJT2qK+9uY24kCsjkewqRzcnBHjJiTwxsCH3vRPWe/W7NQhDg==
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

2026-09-17T09:20:05.868052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104034
observed 30f28bf62b8b35c40fd11db64361c2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.849164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104034/manifest.json
observed 9fc4441b1c1b6cccf13bca220895ebb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.824170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104034/publication.md
observed d0a7a14e31b9b21ba377de6b7e8ae814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.805586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104034/publication.txt
observed c0f6e3471fc4e1d569bf9d0b521bf0ac...
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.