OpenTechnical

OT-2026-000070019

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000070019) never changes.

Identity and time

Publication numberOT-2026-000070019 · never reused
Internal UUID01a0ae91-1861-736e-a371-f76cc04cc0bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070019
StatusPUBLIC

Content hashes

Canonical text95820ffac458c34c07dcaef7040ad3205f8999d22a324ca16ac99bfd081a17c2
Markdownc3dfe401cc8c1d3c816fedee3819d86d71108c95a6d8451cb1f428f6425f8f15
PDF
Publication page7978bbfa0614ef4d1e6531fcc354495a0ab0611ca3954e0d6707bfdf5aa15de2
Manifeste86329575ff42719c3ea59b75517b80652d4c5e441535dcd503f97ef3ad5abd9

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
SignatureWlc80CdNms4mTH0R2zWc6fA2hfo3sJQanJW3pAGgT6d/hNX8YB/Gkpy2qL2uwwBORTPhfvWUaM+mMFbGPB74Cw==
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

2026-09-17T10:26:58.328515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070019
observed 7978bbfa0614ef4d1e6531fcc354495a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.312764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070019/manifest.json
observed e86329575ff42719c3ea59b75517b806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.297730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070019/publication.md
observed c3dfe401cc8c1d3c816fedee3819d86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.281221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070019/publication.txt
observed 95820ffac458c34c07dcaef7040ad320...
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.