OpenTechnical

OT-2026-000012523

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000012523) never changes.

Identity and time

Publication numberOT-2026-000012523 · never reused
Internal UUID01a0ae6d-39f7-7a24-a6ed-3381d57de1c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012523
StatusPUBLIC

Content hashes

Canonical text71a6bc794065a3d743e726743f2d5912def298678a1b77dc3503c39cd1b9295c
Markdown049db47622369c979343bd584f91277b1f85ed206c237e237ff009ebb1e51433
PDF
Publication pagea9f8cbc0fa2c7f61cbc0b9b53b6eac11957205bdc57fd41f560dae3a851a7ef5
Manifest529497901ca586820994dfd467c362d56bd2d150d29d249ef1e39ed83e6b0850

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
SignatureQwCVCQA8gezBN9N/JgMLiaAT8XzZSoBbbNd3MqKzdNQ2rcZpWPEcy2h/zZV+YffBKYNYnsN4TDBUFEzt314QAw==
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

2026-09-17T12:12:02.840015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012523
observed a9f8cbc0fa2c7f61cbc0b9b53b6eac11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.821475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012523/manifest.json
observed 529497901ca586820994dfd467c362d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.802376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012523/publication.md
observed 049db47622369c979343bd584f91277b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.783445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012523/publication.txt
observed 71a6bc794065a3d743e726743f2d5912...
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.