OpenTechnical

OT-2026-000006094

Publication integrity record

Porous face vacuum gripper, three zone face, pump fed, vented before set down, closed cell

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-2026-000006094) never changes.

Identity and time

Publication numberOT-2026-000006094 · never reused
Internal UUID01a0a94f-21d3-7662-ad9c-7af986d1aafa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:10.646543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006094
StatusPUBLIC

Content hashes

Canonical text017400af532965e7388374c4462b4b71146a96e6e4d682d9f9265f857e5d9244
Markdown426ac31e9da9227247591bcadd7b59f4ec0c3c8277f47a5ffed46ffa46506ebd
PDF
Publication pagef93c71c9472119bb7d77bb35a1d4fda17629f12bba97ce5bc318f46806f22559
Manifestd2631109b05bd68d54cfb3dc37305ab9d9ea44aa48075d8fac1d047c73a3f5dd

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
Signature54UzOhSmZ3xQdIwXeHGO7W4xbdU3+cYEQiLcPQAUAtUPKRFOIfDy+PtH2EI3uJakqzf5liWGCU0FKr9NDnJeCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:28.186658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006094
observed f93c71c9472119bb7d77bb35a1d4fda1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.173614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006094/manifest.json
observed d2631109b05bd68d54cfb3dc37305ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.158338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006094/publication.md
observed 426ac31e9da9227247591bcadd7b59f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:28.144693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006094/publication.txt
observed 017400af532965e7388374c4462b4b71...
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.