OpenTechnical

OT-2026-000076775

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000076775) never changes.

Identity and time

Publication numberOT-2026-000076775 · never reused
Internal UUID01a0ae94-b06f-71b1-8e8b-384770aef038 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076775
StatusPUBLIC

Content hashes

Canonical text370079d69bef47e84fdfa281c915818619d48a5ac08641ce0e41553ed434970f
Markdown4b4b44677cd4a24d904d6fc429723c712d8a14622d4a50a893edc918a9bc17a7
PDF
Publication pagec333f9bd8378b5c97308ab5fc6b2241c15c4827689ef6944680ce60c35fbc9f7
Manifest394b67985568405eed42cf2e3da82b3b8b37732a494f5fa4c89d0bc1b1da020a

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
SignatureZcBNUGRkZ0g6ERpTnjJvAbGCwSVIyILdvZIwMuLJnZX1m/UvAZa48/wnmFtckNzXMmfwmAQwXSPuSYesVgsmBA==
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

2026-09-17T10:09:38.264861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076775
observed c333f9bd8378b5c97308ab5fc6b2241c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.242887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076775/manifest.json
observed 394b67985568405eed42cf2e3da82b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.222130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076775/publication.md
observed 4b4b44677cd4a24d904d6fc429723c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:38.203017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076775/publication.txt
observed 370079d69bef47e84fdfa281c9158186...
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.