OpenTechnical

OT-2026-000087124

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000087124) never changes.

Identity and time

Publication numberOT-2026-000087124 · never reused
Internal UUID01a0ae9a-9f2d-7b65-91f0-01ccf211826c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087124
StatusPUBLIC

Content hashes

Canonical textc81ffcd3f70d28fc70b9a76a68dab2d9fb40058d5e9b76dc01c884947029144c
Markdown7bcb0430e1c16fdde5b40c6d1fc4bc45282692ad61923c98ddc7c0a93252bcf6
PDF
Publication pageb0eb569858a1ed0dc8b2de5c14e8b817eb373231a09864522748eb155f7cbd5e
Manifest5c676d44d08c54a7c3e04cb62f4df59cdb0a2059657f752dd193a3ea36a91978

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
SignaturewrIA7fU5IJHrRHFiAvt9wDrZaCDB2/hGXxtPUmvkTfd0SHLcV3ZKwZQnIZ5bio8mCMIIELFxtl7hfg+ib8hPDw==
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

2026-09-17T09:51:23.218842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087124
observed b0eb569858a1ed0dc8b2de5c14e8b817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.202382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087124/manifest.json
observed 5c676d44d08c54a7c3e04cb62f4df59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.185351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087124/publication.md
observed 7bcb0430e1c16fdde5b40c6d1fc4bc45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:23.169332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087124/publication.txt
observed c81ffcd3f70d28fc70b9a76a68dab2d9...
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.