OpenTechnical

OT-2026-000068704

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000068704) never changes.

Identity and time

Publication numberOT-2026-000068704 · never reused
Internal UUID01a0ae90-2483-781a-81aa-06ce2dd43149 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068704
StatusPUBLIC

Content hashes

Canonical text15e7d3a6a42fce75f52187a00206467df34ecb6da59193b26aeb5b233c0db830
Markdownb933a5ca57d1f13b1e7e3dae217f3057a6a50826b76473f79e88e6408f58e8ab
PDF
Publication pagef7dfec935f733b90ca2f75a3ee74a8763cc70777e8f01d2fb38313f55fd85b82
Manifestf7cdd408944001d553ee58cb795dfb32fa69a7c7dab75f79216b53d565bc677c

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
Signature0e7ydjp6bYLKOaort6rDdksfY5lBtyrgMyTrscQ/1eIqraxOnyvxW3iR+P4nhPFnci2beodFn5tU+z+kgc24Dw==
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

2026-09-17T10:29:54.693529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068704
observed f7dfec935f733b90ca2f75a3ee74a876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.673624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068704/manifest.json
observed f7cdd408944001d553ee58cb795dfb32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.655050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068704/publication.md
observed b933a5ca57d1f13b1e7e3dae217f3057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.636004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068704/publication.txt
observed 15e7d3a6a42fce75f52187a00206467d...
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.