OpenTechnical

OT-2026-000067495

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000067495) never changes.

Identity and time

Publication numberOT-2026-000067495 · never reused
Internal UUID01a0ae8f-6bd9-7c1c-8fb6-a9feeaa9309f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067495
StatusPUBLIC

Content hashes

Canonical text4c821b14cac446b6173628d27336006eff33eb82aca06638db37753dbef9f962
Markdownd7886c6abb8624f3b1ff6f700ada2a342818ab8bb65cbad6c111a02ed1b9caa5
PDF
Publication page731b4f325f03eb34d6c914e5acc6e28a96c7b0ce819f89f886e596b3c1eb56e2
Manifest74bd05b2e66274289168818f1cdd067b116f35c2a74938d1bdb194f0ab800bcf

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
SignatureuBZNT0hjaIk+ZF7Kaqz47ce9RQ86IKNg1ToRfX9185jQh4GMpkd5YZLqBot8M3jmWrmBAdK4/c6gJoaU7ncoAg==
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

2026-09-17T10:31:47.349691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067495
observed 731b4f325f03eb34d6c914e5acc6e28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.332220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067495/manifest.json
observed 74bd05b2e66274289168818f1cdd067b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.314180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067495/publication.md
observed d7886c6abb8624f3b1ff6f700ada2a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.295939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067495/publication.txt
observed 4c821b14cac446b6173628d27336006e...
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.