OpenTechnical

OT-2026-000044189

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044189) never changes.

Identity and time

Publication numberOT-2026-000044189 · never reused
Internal UUID01a0ae7b-d67b-7aa9-82cc-80a2169e77b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044189
StatusPUBLIC

Content hashes

Canonical text9346a8ff641b7d51fae65131d486f89ac879f2ed018a1d5aa54c010e8b1a97c1
Markdown10b56b40bb61ac6f0c2e7f80d1a2925d4df0edb7a9b692d7c3afa463cec3cb28
PDF
Publication page1360746814087c522182b375778f9917a691e57ff5eaaf0e15f0804767f64c0c
Manifest93b693ba3f01857a959fbf8ae8d8f10753791351020aef9744625bce568dd1ea

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
Signature7xXucrlIkgCRlze6QjlIbb2I6I1TYW5kaiYY9Nu8LFL9bETkna6RKV2CE9FeMg0FBztj6Z7hqdDPnxj08nduDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:37.683791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044189
observed 1360746814087c522182b375778f9917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.667839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044189/manifest.json
observed 93b693ba3f01857a959fbf8ae8d8f107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.649859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044189/publication.md
observed 10b56b40bb61ac6f0c2e7f80d1a2925d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:37.627700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044189/publication.txt
observed 9346a8ff641b7d51fae65131d486f89a...
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.