OpenTechnical

OT-2026-000080285

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000080285) never changes.

Identity and time

Publication numberOT-2026-000080285 · never reused
Internal UUID01a0ae96-7e77-7424-b915-cab5c062fda5 · 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-2026-000080285
StatusPUBLIC

Content hashes

Canonical text6f43496fc60368877e6211dddc2e07ac0b0efcf877622155eff4ef7dc0ec07dd
Markdownc034f8c824587d706ebce560891882daa3143e0edae536dbeecb49115352cb63
PDF
Publication page6fb00973b462d35a7ec43efd31297162f2cc1c82c5b07c02831ca2e90ac5db96
Manifestf2ad9b443c46610c1c05b36c2bf2e254ad6847e8dafdcaac24da10423722d97c

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
SignatureZwPTTTeQELc8yoVC8gM1VoDgWkJGyqiNmfdBTUjI+WeSdkEytaJFqohFxY6/bT/yLX4eUWzUXT717urVHU1EDw==
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

2026-09-17T10:02:44.820712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080285
observed 6fb00973b462d35a7ec43efd31297162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.802715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080285/manifest.json
observed f2ad9b443c46610c1c05b36c2bf2e254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.784115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080285/publication.md
observed c034f8c824587d706ebce560891882da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:44.766202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080285/publication.txt
observed 6f43496fc60368877e6211dddc2e07ac...
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.