OpenTechnical

OT-2026-000066387

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000066387) never changes.

Identity and time

Publication numberOT-2026-000066387 · never reused
Internal UUID01a0ae8e-ce40-785a-8919-23139088059d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066387
StatusPUBLIC

Content hashes

Canonical text69a4a1faa8a35098a43537be07e035d48a7b86c2896966cc7406b3d2ea135920
Markdown3c7f72eb974fd73fefbb22f1c8b0db84db2ba0751e6c59dd4a8d85094716c3ae
PDF
Publication page5afc5e4e2a88d76154b54f37e044976376d083f380f9d3279e397f792c28fd1a
Manifest49ba94b1298037a7e4182dd8b4d0a72ac692a59f9d06851a279641718e5fd5a2

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
SignatureX1pV6bpRnIDkjwfe0GBOObbJzT7Pmc8/gRFlbGqUwfVhXVabCJAbcD82asBvtiNRQVwhWobJJWL6pM5zZbJtAw==
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

2026-09-17T10:32:31.527601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066387
observed 5afc5e4e2a88d76154b54f37e0449763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.513249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066387/manifest.json
observed 49ba94b1298037a7e4182dd8b4d0a72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.496823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066387/publication.md
observed 3c7f72eb974fd73fefbb22f1c8b0db84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:31.481018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066387/publication.txt
observed 69a4a1faa8a35098a43537be07e035d4...
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.