OpenTechnical

OT-2026-000025861

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000025861) never changes.

Identity and time

Publication numberOT-2026-000025861 · never reused
Internal UUID01a0ae71-a83e-74cf-959d-7be9fa5a1893 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025861
StatusPUBLIC

Content hashes

Canonical textd44a64afdeaaeb719769372d86b3760e08bc1adca7cdf580fb3349fec13941d9
Markdown7d4722518a2c97efd7634df471fc19f3c635bf6bc4773f92cc05391159ee5554
PDF
Publication pagec829cdf94a8a8a2bf2f41f5da19a2cc6f5b3b171f4857e93661209bf0d9e95cf
Manifest0bec135c8079b94afb45b3f5ef233979abab26186d28e6184087d0c42fcf7004

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
SignaturekEHcthusX7Uig9LSE5C/5LD+sxxasbNljT3bfwTD//77kYOnP9s3ZB15IhjWXbCzglAsn1QrMpGLk4HgFLuRBw==
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

2026-09-17T11:46:05.567739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025861
observed c829cdf94a8a8a2bf2f41f5da19a2cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.551578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025861/manifest.json
observed 0bec135c8079b94afb45b3f5ef233979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.532157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025861/publication.md
observed 7d4722518a2c97efd7634df471fc19f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:05.512961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025861/publication.txt
observed d44a64afdeaaeb719769372d86b3760e...
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.