OpenTechnical

OT-2026-000064035

Publication integrity record

Two cup 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-2026-000064035) never changes.

Identity and time

Publication numberOT-2026-000064035 · never reused
Internal UUID01a0ae8d-53bd-7f6a-ab1e-71edb1d853cb · 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-2026-000064035
StatusPUBLIC

Content hashes

Canonical textfa0d1e5070b3751de60cbfda5427672c938eb68729ef5754ded4caa20972b61f
Markdown8a1e20e945e4788650a7adc1e114f0ada305b473456b7558d112f913027431ea
PDF
Publication pagec8712ac97aa01b3c711584cbc1cd5c605688d02e3cec2f284f1eaf28c53c4539
Manifest1a578a337b97cbb3f41c97057cf5974d956f9a427faef376c2e8f25656d16d53

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
SignatureZdcTBSKSmCrsSsVZhTNmwv1eNj5weAE52H7J5nyM5BQbspPadeXoF/MD5WxYqD6UzoqWTis0t/fNRvIZsc6FBg==
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

2026-09-17T10:37:07.344736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064035
observed c8712ac97aa01b3c711584cbc1cd5c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.327345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064035/manifest.json
observed 1a578a337b97cbb3f41c97057cf5974d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.309497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064035/publication.md
observed 8a1e20e945e4788650a7adc1e114f0ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:07.291295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064035/publication.txt
observed fa0d1e5070b3751de60cbfda5427672c...
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.