OpenTechnical

OT-2026-000050400

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000050400) never changes.

Identity and time

Publication numberOT-2026-000050400 · never reused
Internal UUID01a0ae82-5c48-77bc-8bbf-c3ecad88e850 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050400
StatusPUBLIC

Content hashes

Canonical text497987fe93d643db2887da1ebc7ac07ec8604aefd1e4997a7a13fbe1147859de
Markdown9f95d8ca910008993f14a6e1943726083ef10525fee98bcbcb9cc3831b905446
PDF
Publication page1af7e25aee0f26589d13bc82fbf8af1650a3e0c555a4b26d489c33280ed819e7
Manifest5e71e4dcef0b9902df16156baf19a62662cecc4dc9e0af6764f8fbdad4ff4680

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
SignatureJ1p4RNyFOd9MG4twTLjbbFtkFttwr41sTFbnYKA7rgbRD3roRqp/1UeI5tJvrAzg2xlH9AwGAspIblT/NzOVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:26.492628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050400
observed 1af7e25aee0f26589d13bc82fbf8af16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.476340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050400/manifest.json
observed 5e71e4dcef0b9902df16156baf19a626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.457711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050400/publication.md
observed 9f95d8ca910008993f14a6e194372608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.441221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050400/publication.txt
observed 497987fe93d643db2887da1ebc7ac07e...
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.