OpenTechnical

OT-2026-000010195

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, vented 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-2026-000010195) never changes.

Identity and time

Publication numberOT-2026-000010195 · never reused
Internal UUID01a0ae6b-cb7b-754f-95dc-4d892c32bc99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010195
StatusPUBLIC

Content hashes

Canonical text522974a1f12e57d4ed39547af7d9b4fb292bc31ed864ad89dab0a8466f9530c5
Markdown413912180381cabdc4c09d06d14e9779bff48441229292cc724c6ebad390e1b0
PDF
Publication page1f521809bb581b963bd8041996921509b598cec0ae5f26f4da45f4885524ee63
Manifestd5f583ec5b8fd0c2256a5a71d9c5acd70fc7a664038098b14a9bfb8307e6ae48

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
Signatureq04PPwSZcBcibQ9IW8K2rq96C61KxUc2O3aJxw/o2qsAFmuY6y52SQy6qc400qT06MuAsBfJQMEZKwmpY5spBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:15:47.395318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010195
observed 1f521809bb581b963bd8041996921509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:47.375897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010195/manifest.json
observed d5f583ec5b8fd0c2256a5a71d9c5acd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:47.341162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010195/publication.md
observed 413912180381cabdc4c09d06d14e9779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:47.303502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010195/publication.txt
observed 522974a1f12e57d4ed39547af7d9b4fb...
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.