OpenTechnical

OT-2026-000078411

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000078411) never changes.

Identity and time

Publication numberOT-2026-000078411 · never reused
Internal UUID01a0ae95-7c28-7e9f-a48f-9d1d5a46bec4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078411
StatusPUBLIC

Content hashes

Canonical texta58421ddb55a4093c7d0c795eb169c8bac94c0332b206a4b98967d8ec2628614
Markdownbd95ddea7283707f8cfb847971085bf1d191661cc041c7baae8b0281e672efd1
PDF
Publication page6cb121282a64d540d8ab6e76df1ed4c473a56d99b5cf3b6343b6d1bb263cd18d
Manifest720ee821932745d32bf42cd7faa0a59d7c0e05ab5ac874c7e7aab959a7935c53

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
SignatureLgUmxqgMUm/6tmtlv/MtqQDD7d18n6dPdhMA1k0+U7m4EY/Q5p65qTSWrDfySQY8cywYbnAFLJj4sfqm5c61Cg==
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

2026-09-17T10:06:24.233220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078411
observed 6cb121282a64d540d8ab6e76df1ed4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.214265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078411/manifest.json
observed 720ee821932745d32bf42cd7faa0a59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.196651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078411/publication.md
observed bd95ddea7283707f8cfb847971085bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:24.176137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078411/publication.txt
observed a58421ddb55a4093c7d0c795eb169c8b...
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.