OpenTechnical

OT-2026-000091248

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000091248) never changes.

Identity and time

Publication numberOT-2026-000091248 · never reused
Internal UUID01a0ae9c-f16c-75ef-b36b-90c1f759742d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091248
StatusPUBLIC

Content hashes

Canonical text02e05ebc334c421286a6c378ef990d971738ae1ab64ce5975553007b9945e6ea
Markdown119c115929e7b5feb162f0b4d36452ecad19a5b45d495b589db07b30f9e9517d
PDF
Publication pagec0bc970c808a0f6908624ce87195265a1e43ef4e1a543221ce08bcb067595bc7
Manifesteac6f53b5792a77fc87ba33983b7558aae7a8fa2dccc2370e136d263d302bcd4

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
SignaturedYuv9x7inpBSp0SnKuUMaITlb8LbM2c0lOSkBxlhONaPNReXC5C6RwAizxkqNDS0rOgK4FAIp3FsRaQ0YsJzBA==
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

2026-09-17T09:43:25.427917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091248
observed c0bc970c808a0f6908624ce87195265a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.411184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091248/manifest.json
observed eac6f53b5792a77fc87ba33983b7558a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.394191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091248/publication.md
observed 119c115929e7b5feb162f0b4d36452ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.377323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091248/publication.txt
observed 02e05ebc334c421286a6c378ef990d97...
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.