OpenTechnical

OT-2026-000102587

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102587) never changes.

Identity and time

Publication numberOT-2026-000102587 · never reused
Internal UUID01a0aea4-858b-7373-b3ac-30442d4f1b2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102587
StatusPUBLIC

Content hashes

Canonical text7f2ba3e9bed083b77e84715fa33eb891d68456a85f4c14d330564329074e3664
Markdown607b40d6efe8add3e53388f6de3ba8caea522321dfe71fd9e3f2fb13d0b89a92
PDF
Publication pageef241b2cb4e89ead65939907e199814f5734f99ee7eeb4bb62d06282923e711e
Manifestb9dd3d799409020ee63d5d1c293a1544b0a8800c5a2432510cf64721f9397e63

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
SignatureMno6eWuQ0tEaqwYOtyi7GXBHpSuk/icRHPMXXhZsx4nLt1QdMGAFcI3Z/8Btiel2Ud6fqr4f3+DOLopCVFijCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:04.343073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102587
observed ef241b2cb4e89ead65939907e199814f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.325588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102587/manifest.json
observed b9dd3d799409020ee63d5d1c293a1544...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.306015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102587/publication.md
observed 607b40d6efe8add3e53388f6de3ba8ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.289031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102587/publication.txt
observed 7f2ba3e9bed083b77e84715fa33eb891...
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.