OpenTechnical

OT-2026-000084656

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, sustained blow-off before set-down, on a tool changer

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-2026-000084656) never changes.

Identity and time

Publication numberOT-2026-000084656 · never reused
Internal UUID01a0ae98-e25c-7590-a966-e6c01deb6e0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084656
StatusPUBLIC

Content hashes

Canonical text52d44f85d80e27407c06ad2420f32565d6ba4b77398a6f27e1b30d610e7df6bb
Markdownd3ba4524630b758d685be3e79abc57332fd891df27bd3fe37e0848c8c48c9152
PDF
Publication page2ea6e7588c771e4f50b2b0d75ff5af4c9c854b714a4b69617a893f8e49af3d22
Manifestc9623af175d48d25fd5fc6bb434198d0c7cfe4cc78c6eb0d62872a291ee451fa

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
SignaturekHSjmU2AIC5AxzmvC9O6h271vE/BcAG/kaAOtxFeyMEONOSyPfeH6uR1c5/8oruaTYR1Co+1TgO07nRyIIJ3DQ==
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

2026-09-17T09:55:34.648407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084656
observed 2ea6e7588c771e4f50b2b0d75ff5af4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:34.632504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084656/manifest.json
observed c9623af175d48d25fd5fc6bb434198d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:34.616296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084656/publication.md
observed d3ba4524630b758d685be3e79abc5733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:34.598841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084656/publication.txt
observed 52d44f85d80e27407c06ad2420f32565...
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.