OpenTechnical

OT-2026-000097237

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000097237) never changes.

Identity and time

Publication numberOT-2026-000097237 · never reused
Internal UUID01a0aea1-01ca-7035-85b7-09cfd2c7c06b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097237
StatusPUBLIC

Content hashes

Canonical text08640a820eb97eb9719558645255ba707c7330f91b5751068de12fb01d9d1280
Markdown23d7df98ce32b4187bd642bcec1f42bbd4fe74d025d8a7761a781cd45e85a2f6
PDF
Publication pagebd0faa84a4a31e8c5ef668b76f219d2d9f0646ab3781ed535dc360ef8d9a3845
Manifest0ddb57c4a02505ecb3b2221fcab38280765e4d29202d878707b64f3825f3bff9

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
SignaturexanqOn/64Rp3T+HBncwYsMIhXS04lN+PwCmiuKFWAM4JGhwbe6Roq3ayLUjWMgy1mZIC6jkiRGgEGGF89HjsAg==
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

2026-09-17T09:33:29.227050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097237
observed bd0faa84a4a31e8c5ef668b76f219d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.210621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097237/manifest.json
observed 0ddb57c4a02505ecb3b2221fcab38280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.193078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097237/publication.md
observed 23d7df98ce32b4187bd642bcec1f42bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:29.175833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097237/publication.txt
observed 08640a820eb97eb9719558645255ba70...
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.