OpenTechnical

OT-2026-000091356

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091356) never changes.

Identity and time

Publication numberOT-2026-000091356 · never reused
Internal UUID01a0ae9c-f16c-7957-bbab-b1554d22e945 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091356
StatusPUBLIC

Content hashes

Canonical text91371786dda6af9219f03ffcfeb9a141f42c075df6d616f475fc250b3c915f41
Markdown611787cbd3fac6970f32f0f13c0c55b64fad093a16399e0b047ddd680dc4ccac
PDF
Publication pagefa25938acbd9ccdb633b0c012fd889e5d2ed5b48099fbc668c5e0c5438f5248d
Manifest3ea48b9bb0c1a89defffc6cd8e6dc4d4154be4088ffd0b703744cf4607db1ed8

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
Signature4bLl9pPCANSgUmZVIc517w0W9I4tF9/PR4xG9UHbE3W8+c/YzsY13E+0RI111/NpUlpzPD4JTsuhJxRu9OmIBw==
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

2026-09-17T09:43:34.220790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091356
observed fa25938acbd9ccdb633b0c012fd889e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.202593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091356/manifest.json
observed 3ea48b9bb0c1a89defffc6cd8e6dc4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.184015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091356/publication.md
observed 611787cbd3fac6970f32f0f13c0c55b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:34.148799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091356/publication.txt
observed 91371786dda6af9219f03ffcfeb9a141...
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.