OpenTechnical

OT-2026-000083137

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000083137) never changes.

Identity and time

Publication numberOT-2026-000083137 · never reused
Internal UUID01a0ae97-c962-7624-99e0-8e77a541fc91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083137
StatusPUBLIC

Content hashes

Canonical textfa71c3c66d376c9fc58c659791af2e5b481a9ab4ebd59b7c5bcc1694669c70cb
Markdown793fe90c5f857426c7eb8ed0f5af66306e65102a42900397ed56adbc2793b8c2
PDF
Publication paged680d850b2366dd0e4f1e17c7843631ddc5176d3ac5d70b0fc5e3b3be7b0317d
Manifest59dad249605946b613fac9e8515e0093db59b44c9446a76f7c981767ee0355c9

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
SignaturePB74EXfMWWt7qTYdotY0EdunI2xl8p9x3K2mAn1fDFbr/h3G/hE7OjtpaTEgDEpI/F7I+41gnZHwpR69ODUKBw==
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

2026-09-17T09:00:46.670506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083137
observed d680d850b2366dd0e4f1e17c7843631d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:46.646430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083137/manifest.json
observed 59dad249605946b613fac9e8515e0093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:46.629145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083137/publication.md
observed 793fe90c5f857426c7eb8ed0f5af6630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:46.612221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083137/publication.txt
observed fa71c3c66d376c9fc58c659791af2e5b...
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.