OpenTechnical

OT-2026-000077627

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000077627) never changes.

Identity and time

Publication numberOT-2026-000077627 · never reused
Internal UUID01a0ae95-2ece-767f-b3e3-b29a025ed9e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077627
StatusPUBLIC

Content hashes

Canonical text43c4b3acd5ad470cfe3d37eb77e99bd138f2207becc3fd7c2ec3dbfd6b31f174
Markdownb4afb856a842aca61e8c5654fff97394b9180366519afb47c2204f091c2839f7
PDF
Publication page02b2e0c225c73bef3f81e0a2022206e939a09ceab16a2a93603ec2f45fdf86ad
Manifest109beb5cf46c84f41f298ffff68037b7415f2560ea31b445af4cfac286053d8e

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
SignatureArEp9yjlVZ94iAhFtlbZjVV7/iEic9Gt8z0wmwp/1MHRGN+Wbr4Cojj/tL7eHaz5qVkRpkJZ0ibefKCZ1z+TBg==
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

2026-09-17T10:07:11.403017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077627
observed 02b2e0c225c73bef3f81e0a2022206e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.384363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077627/manifest.json
observed 109beb5cf46c84f41f298ffff68037b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.364842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077627/publication.md
observed b4afb856a842aca61e8c5654fff97394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.344232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077627/publication.txt
observed 43c4b3acd5ad470cfe3d37eb77e99bd1...
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.