OpenTechnical

OT-2026-000050955

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000050955) never changes.

Identity and time

Publication numberOT-2026-000050955 · never reused
Internal UUID01a0ae82-c7b4-7e4c-a8ef-859e3901e104 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050955
StatusPUBLIC

Content hashes

Canonical text80aaf67ac8bc40f42ab160975ae9cf7d9a0e14141ccc53d7df8c39bac8265144
Markdown9bb2b942ade95e7b23d5cd30bcae63842b500c508423c9a11081eefcbd408ed1
PDF
Publication page41f5bdefb5026b592d1c02077892e69b813548c7393c3a6f9f793ed4ff388761
Manifestc1240a799c6d09c3f70285ad1cfa26419aadba6422faf19032a09b4b46f03fba

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
SignaturebMrrrJjP3s0GdvMEdYhTVZQ2FO0sqFbOUKwqai2gu1ahsOjHC79oruehq4YLTbAL13qcOd35FmUS7LqNhy+cCw==
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

2026-09-17T11:00:43.756254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050955
observed 41f5bdefb5026b592d1c02077892e69b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.751524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050955
observed 41f5bdefb5026b592d1c02077892e69b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.728072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050955/manifest.json
observed c1240a799c6d09c3f70285ad1cfa2641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.726638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050955/manifest.json
observed c1240a799c6d09c3f70285ad1cfa2641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.708006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050955/publication.md
observed 9bb2b942ade95e7b23d5cd30bcae6384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.703478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050955/publication.md
observed 9bb2b942ade95e7b23d5cd30bcae6384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.652201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050955/publication.txt
observed 80aaf67ac8bc40f42ab160975ae9cf7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.650818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050955/publication.txt
observed 80aaf67ac8bc40f42ab160975ae9cf7d...
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.