OpenTechnical

OT-2026-000080323

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump 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-2026-000080323) never changes.

Identity and time

Publication numberOT-2026-000080323 · never reused
Internal UUID01a0ae96-7e77-78b8-b604-9b0dc04a3488 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080323
StatusPUBLIC

Content hashes

Canonical texte5fe2849a066a8f5e0237da2722973f1caec7fccaac3a2fceebaafe3f1c2ba86
Markdown138e8880f729e74852ee912e98da9ead2555aec0dc01e4ad4f917c640eec49c2
PDF
Publication page9f2a2dda3972ee5a0bc738eee31ff3977009406f01e16f201026360d86fb8c22
Manifestdb9ad8da11430f54ba2e7cbee8d1ce1bd433488f4a80ffdb132881cc82fe9eed

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
SignatureUInkotwZHJ6rPTdqZmIZ9E3goQNlHlkwtX+PUHuoUJOYpwPh5eL0CTQNzXBqtkXPLLrspfMEV2PbsIzSvldHDw==
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

2026-09-17T10:02:47.851286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080323
observed 9f2a2dda3972ee5a0bc738eee31ff397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.834775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080323/manifest.json
observed db9ad8da11430f54ba2e7cbee8d1ce1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.814553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080323/publication.md
observed 138e8880f729e74852ee912e98da9ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.794827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080323/publication.txt
observed e5fe2849a066a8f5e0237da2722973f1...
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.