OpenTechnical

OT-2026-000100236

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100236) never changes.

Identity and time

Publication numberOT-2026-000100236 · never reused
Internal UUID01a0aea3-3053-7f53-a605-baa39b5c1388 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100236
StatusPUBLIC

Content hashes

Canonical text98fc029d32b970d1f54137f050a377c116a38a94d5b7d52e36075444eebd2d6c
Markdownff942a15c1eb7f07050ced9d8431d558021d605e941518c581ad297f448a81ae
PDF
Publication pagea7163e597631821c1657b57b3b1186a793c1a2a7762c01abab6f14c9d577bec1
Manifest03c543368133be5ebd2740b3c2f0c0aa7b08aa27d02646329047575962f7ffcf

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
SignatureD6u6f9GjqiHu9copa8OXZX+gNqVJrdOkdH3hyy3Fihs6I4VTzaWQSDR/uy/86RtegSbvC0YyTDBcGuUU+PmHDg==
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

2026-09-17T09:28:02.057443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100236
observed a7163e597631821c1657b57b3b1186a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.039843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100236/manifest.json
observed 03c543368133be5ebd2740b3c2f0c0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.007187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100236/publication.md
observed ff942a15c1eb7f07050ced9d8431d558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.973968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100236/publication.txt
observed 98fc029d32b970d1f54137f050a377c1...
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.