OpenTechnical

OT-2026-000003775

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, plant vacuum fed

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-2026-000003775) never changes.

Identity and time

Publication numberOT-2026-000003775 · never reused
Internal UUID01a0a90b-0657-7fad-8333-5d5173ce19c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:47.162119Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003775
StatusPUBLIC

Content hashes

Canonical text06baa191cc297fd2e4f596fed096188c196125fa930bf6d59f9a17ef23751665
Markdown241976e7fd22441642aa037723bcb23afb6cd1f387aa289dde9dfeb403b30642
PDF
Publication page6a27092012438c80bed1241143b491c412f69ff4be9858b453528ac0cae33ca9
Manifest6494409c37ac5f0332de16003a11b881a0778bfacb7fd7f5411b6b43c464b3c9

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
Signature98GoVTcjX4hMIJ8k8u/rEF0bnjtk4TR0lVUzlp3m7+5oc3FGqg8vjSzcXf8YHWakblKCPjyUe4gVnKj2D+b9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:21.079726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003775
observed 6a27092012438c80bed1241143b491c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.065849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003775/manifest.json
observed 6494409c37ac5f0332de16003a11b881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.050593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003775/publication.md
observed 241976e7fd22441642aa037723bcb23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.033933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003775/publication.txt
observed 06baa191cc297fd2e4f596fed096188c...
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.