OpenTechnical

OT-2026-000100035

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100035) never changes.

Identity and time

Publication numberOT-2026-000100035 · never reused
Internal UUID01a0aea3-1474-75e0-a404-1744a0a02ff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100035
StatusPUBLIC

Content hashes

Canonical text17c3c6aaa74ee64f35dae030846f1f5524e3e3d5ea143cf62fa7e0f180eed835
Markdown6b57049d35232e3a7557feb10d653981878d340f5add70acd93be89991757d0f
PDF
Publication page7ec30f9cb4419ae6ed694c987f845a50d344f410bc6431791550e144be2810f1
Manifest8dd48254340b0f06f8f7a2a5d28f72dfa4a9a49ab639350100ba962c3c5b705a

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
SignatureQan104WLlJeqgZPUuyHCKNTT0M9GbmYV+ev4uk2paRxR/K3L5PSxxr22sqpHVezjwIs6kP/xSKeqNiReeQGbDw==
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

2026-09-17T09:28:58.297096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100035
observed 7ec30f9cb4419ae6ed694c987f845a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.281307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100035/manifest.json
observed 8dd48254340b0f06f8f7a2a5d28f72df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.263698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100035/publication.md
observed 6b57049d35232e3a7557feb10d653981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.246686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100035/publication.txt
observed 17c3c6aaa74ee64f35dae030846f1f55...
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.