OpenTechnical

OT-2026-000081737

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000081737) never changes.

Identity and time

Publication numberOT-2026-000081737 · never reused
Internal UUID01a0ae97-0f74-7587-9bd6-cd4c2cafdec0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081737
StatusPUBLIC

Content hashes

Canonical text30fc8fe395f6712e2a49b0cb2b9f64a71fdf4f24e79dccd080f1c2a488ff48fe
Markdownb590721598abff99293550f0b85d881c0fd0fa7a80cf5e586d67bed56eca2427
PDF
Publication page768e8eb89018d04cfc4117080fc9b4fc98cc5bec8dadb7d61b33d37110c7c443
Manifestc45b6fec2d5fbbc5e0ef58657fdc64292cd8294bfcefa81b222fa9d2f71114be

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
SignatureFnvUMOgOza0QaSNZgV1YBU9NguTaolpmGMZb8hXbEPI2/ak2E1mTgYDl8BwFYhvmeSu40rI0tFjtqqizOZz9BA==
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

2026-09-17T09:59:49.151941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081737
observed 768e8eb89018d04cfc4117080fc9b4fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.136653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081737/manifest.json
observed c45b6fec2d5fbbc5e0ef58657fdc6429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.119402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081737/publication.md
observed b590721598abff99293550f0b85d881c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:49.102539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081737/publication.txt
observed 30fc8fe395f6712e2a49b0cb2b9f64a7...
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.