OpenTechnical

OT-2026-000060387

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000060387) never changes.

Identity and time

Publication numberOT-2026-000060387 · never reused
Internal UUID01a0ae8a-b7cb-75e3-9d6d-cd7c33c3e7d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060387
StatusPUBLIC

Content hashes

Canonical textd274f66be0d98530f1a02976f3296f82dd088ce84e14aa541e084f98f7e6ef5f
Markdown6fe99317f29efe5ebcfdc339daf9eb2ee96c79078843818accf1b7be5e1bd8f2
PDF
Publication pagebfb097c4d44958d8e685b66283cecb5507ebf6535e892ed5199d8838284e5ade
Manifest8e12b96aaf66b45ff5ebdadd83a0a70d35b19194b7e520b257d3ff60ea4af849

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
Signature/ICylmvp6+Nx3LEqRWhBKWOuZjrHh1RGzbWJsIx9OEtRn+vgAh3mvzRziCSE3vrpt3GBD0HsHpDDvqldaUU/Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:51.264125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060387
observed bfb097c4d44958d8e685b66283cecb55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.245026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060387/manifest.json
observed 8e12b96aaf66b45ff5ebdadd83a0a70d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.224367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060387/publication.md
observed 6fe99317f29efe5ebcfdc339daf9eb2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.204914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060387/publication.txt
observed d274f66be0d98530f1a02976f3296f82...
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.