OpenTechnical

OT-2026-000082587

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000082587) never changes.

Identity and time

Publication numberOT-2026-000082587 · never reused
Internal UUID01a0ae97-8cc8-7d67-8a2a-5bbcc052f608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082587
StatusPUBLIC

Content hashes

Canonical textfa23aa93ef28a168220ca3eeda324e094b3b698731aebf6fe1eda4c9777d6483
Markdown823f411c46fd3d58e8887256782e1096cbf8020687ea458961bed7251e784947
PDF
Publication page3c6196e2a52c4158ed137894e02613a3b69752eb398d57b07f1304cdeb04b764
Manifest53aa3d3b05b0f476f1f244af3a913e4e2daf07443a114e93e6164648c1d85a67

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
SignatureChNcSJaG2lrO9fEaC3TTu1DBXtF5KUY5ggg2qnd3yFkYlnxjdeOkzOQlyOIoSBIs/JXYJjkuFX456iP6vP8dCw==
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

2026-09-17T09:58:01.767689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082587
observed 3c6196e2a52c4158ed137894e02613a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:01.751593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082587/manifest.json
observed 53aa3d3b05b0f476f1f244af3a913e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:01.736898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082587/publication.md
observed 823f411c46fd3d58e8887256782e1096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:01.721587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082587/publication.txt
observed fa23aa93ef28a168220ca3eeda324e09...
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.