OpenTechnical

OT-2026-000065645

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000065645) never changes.

Identity and time

Publication numberOT-2026-000065645 · never reused
Internal UUID01a0ae8e-46fa-794c-9d1e-48b26b86cc6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065645
StatusPUBLIC

Content hashes

Canonical text8fd4adb759863846da56c76b107b3a8b50994cb3af1fd1bd522eea037b787974
Markdown3d72a7bf4d61725570fcc2fbb1a2bb0d99127a565b0850e9e8b011786d3cd334
PDF
Publication page154d66f66e81e3c0724f3f1deceabb72b307ff6fdeaefc3804485fa0700f1817
Manifestda4ff339c8ba06bdd0e19f71015c6a5fc8d16906b3b079734c795628c1f70607

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
SignatureXBsFs04uD7dLtjGf+tsJlUR7aj+vheLz4lEmZRPPbn3i3FqzjyUjh1HxqcIC/iMZ20ndItb8v55z6l27G6oXDw==
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

2026-09-17T10:34:02.746437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065645
observed 154d66f66e81e3c0724f3f1deceabb72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:02.728412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065645/manifest.json
observed da4ff339c8ba06bdd0e19f71015c6a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:02.709360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065645/publication.md
observed 3d72a7bf4d61725570fcc2fbb1a2bb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:02.689723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065645/publication.txt
observed 8fd4adb759863846da56c76b107b3a8b...
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.