OpenTechnical

OT-2026-000085633

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000085633) never changes.

Identity and time

Publication numberOT-2026-000085633 · never reused
Internal UUID01a0ae99-aaad-7eb0-9af4-876b940b5d65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085633
StatusPUBLIC

Content hashes

Canonical textcaabd61dff22223e52b4ab89b785cfb3e4b81d848107c41203a27330a4209f32
Markdown3aa5ebe5c0daad08771a0b3fb473a4d094a6c9d5ec652f93e17d5f43d137ff8f
PDF
Publication pageea4576eb259979f04f61890e93b3515bf0f6670d8cac374a010f4fcc2979e7c2
Manifest28d2315e4ef1faa0277da66b5facfd84647b61244e12846d5f580e059ae6114d

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
SignaturebeFW4zWpmy3eTBD/WPXlvy96ZRAnYpCZddA7H87M0bxi8MEKnllgRc/CX0Gk5tJi4wAEYGEMSb7pN8s6NdvcAg==
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

2026-09-17T09:54:31.053343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085633
observed ea4576eb259979f04f61890e93b3515b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.035560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085633/manifest.json
observed 28d2315e4ef1faa0277da66b5facfd84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.015030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085633/publication.md
observed 3aa5ebe5c0daad08771a0b3fb473a4d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.995152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085633/publication.txt
observed caabd61dff22223e52b4ab89b785cfb3...
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.