OpenTechnical

OT-2026-000064023

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000064023) never changes.

Identity and time

Publication numberOT-2026-000064023 · never reused
Internal UUID01a0ae8d-53bc-7810-874f-d7e0db9a4a97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064023
StatusPUBLIC

Content hashes

Canonical text2e18676b4890673dfced0d68c3bb05b96bb128a34e6584d39a292359901d338c
Markdown959d66a22022aebab79ef883da2fe507c7ce0ab7f9843529ec5662f30849ef96
PDF
Publication page823123d70dddf62d5b23d4a9a3a8b876ec267926dab66c513a6bf7491351e805
Manifestf50671229200b95ceb13e46ac593b9201028709bb24634a52e5b75264ca654c9

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
Signature34MBu4OEasqhvrjlC643MtfEszvoqnLFtPBNk2lTyxwKcsHQ6PbHMU1WT/5gss2/fyr+LPARKtDXIFZIVb+/AA==
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

2026-09-17T10:37:06.416556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064023
observed 823123d70dddf62d5b23d4a9a3a8b876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.398753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064023/manifest.json
observed f50671229200b95ceb13e46ac593b920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.380709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064023/publication.md
observed 959d66a22022aebab79ef883da2fe507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:06.361724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064023/publication.txt
observed 2e18676b4890673dfced0d68c3bb05b9...
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.