OpenTechnical

OT-2026-000068204

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000068204) never changes.

Identity and time

Publication numberOT-2026-000068204 · never reused
Internal UUID01a0ae8f-c4ff-7eda-a843-bd63bc86d290 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068204
StatusPUBLIC

Content hashes

Canonical text8f9c54aa8d8d2b6dde28e12cfa3845117f2bcc09732493c613fd1207ba910004
Markdown420eacb4f68325f250e59c4978d56eef236b31594861afaa9ab6d111a5a1172f
PDF
Publication page7c0dc3d5e4ca7524bff5771310cbf64cd4fb8e3e77d8f2e2d6ee15dac0bdba37
Manifesta7e6deb36e4a36fe74b91f0ba098bcfe2f1b33c823d49bab1030a469a707a8ef

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
Signatureyeb73nK6t2RsaHWZSLTDXUHYUM+GvtMkRuck1T8jn/HcYPPLhEpMBDrNqsrnkKRBMm4fA5rxycJCIBuJKKRcAA==
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

2026-09-17T10:30:51.967364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068204
observed 7c0dc3d5e4ca7524bff5771310cbf64c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.949038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068204/manifest.json
observed a7e6deb36e4a36fe74b91f0ba098bcfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.929985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068204/publication.md
observed 420eacb4f68325f250e59c4978d56eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.911776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068204/publication.txt
observed 8f9c54aa8d8d2b6dde28e12cfa384511...
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.