OpenTechnical

OT-2026-000045555

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000045555) never changes.

Identity and time

Publication numberOT-2026-000045555 · never reused
Internal UUID01a0ae7d-8f02-7c82-b9c6-1720a530de0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045555
StatusPUBLIC

Content hashes

Canonical text49798a973a0757f38b1c5f050ca6f39b7330a1af92fdb8056d6d83bdc408638c
Markdown75971e9a3ca030516185adad54bba99873b2b65c99ad6081b4ba3456e14972e9
PDF
Publication pageb89d9deecc1b2d2b2bec555793872889bc74c8e39d5c497cb854e5dd9170d56d
Manifest7d06791c998b483a9c34457ba1afc7d53d7b2261aa0a03c2e19ee7f620badf62

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
Signaturey7oT1eDAed79q1V6bM+9pHW1oA5I6zGCcuP2dBqD2qlCUF0prnp4i2spYMeLA/HVR/er1cpaopZ5XD4zpBTnBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:18.666867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045555
observed b89d9deecc1b2d2b2bec555793872889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.648726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045555/manifest.json
observed 7d06791c998b483a9c34457ba1afc7d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.629277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045555/publication.md
observed 75971e9a3ca030516185adad54bba998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.610124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045555/publication.txt
observed 49798a973a0757f38b1c5f050ca6f39b...
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.