OpenTechnical

OT-2026-000061972

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061972) never changes.

Identity and time

Publication numberOT-2026-000061972 · never reused
Internal UUID01a0ae8b-b8ad-7332-97b3-1782c3118f48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061972
StatusPUBLIC

Content hashes

Canonical textea1a1ae60df4ed1304eb83236737e31bf6545923d4a63612ac2d5708efbdf516
Markdown6421ab80d42a9940567901d206819e2b1ece94a975034e7d6f249d9f3eba1d63
PDF
Publication page90d9f689e9e2cd555c419d46d5e392a91b291707b93b195d94a35cb55badcc19
Manifest9f8b8ac3574efa5f1cbd3f07db5e209944d83b93e60a98e254a40deedc8a3db6

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
SignaturebjeCHpK8O6kVtxtoWzlYghRH6nKwiU7842mvaJ8yAMNekwmlYNHZlwsouWXaJg1VjB6300pXkizQPFBj1Rt8Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:53.433248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061972
observed 90d9f689e9e2cd555c419d46d5e392a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.409882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061972/manifest.json
observed 9f8b8ac3574efa5f1cbd3f07db5e2099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.385900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061972/publication.md
observed 6421ab80d42a9940567901d206819e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.363731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061972/publication.txt
observed ea1a1ae60df4ed1304eb83236737e31b...
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.