OpenTechnical

OT-2026-000076277

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000076277) never changes.

Identity and time

Publication numberOT-2026-000076277 · never reused
Internal UUID01a0ae94-6a6f-7640-bb8a-56021adf8f18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076277
StatusPUBLIC

Content hashes

Canonical textebd6d4a418de7debefd965baf3767f0c7b6ef1e9d19a9a29dd2bf3fe578717a2
Markdownf9444f59184bde364bec461a13ddd152d8aa21d52bd24adb3879ee9fba771136
PDF
Publication page71abbc332a6246a3080d1196b0332e1b69726261d5ed91be1b3dcb2cf8dad386
Manifested39dd4102c060c24a6d520e6651a0a9ec898594537c4c21fddb71b50e582323

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
SignaturewNJV5E4CpMhzMqkPoEHAQIIu6GCfD+pcG9RoZ/48KMN5JKfGBIZfKLpfMU2aRV4El2LNmJQi4SZ7Gr6Xr3R5AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:02.304134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076277
observed 71abbc332a6246a3080d1196b0332e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.279063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076277/manifest.json
observed ed39dd4102c060c24a6d520e6651a0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.254055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076277/publication.md
observed f9444f59184bde364bec461a13ddd152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:02.233433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076277/publication.txt
observed ebd6d4a418de7debefd965baf3767f0c...
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.