OpenTechnical

OT-2026-000048615

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000048615) never changes.

Identity and time

Publication numberOT-2026-000048615 · never reused
Internal UUID01a0ae80-4de8-7cc7-9da4-8d3a23522fa0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048615
StatusPUBLIC

Content hashes

Canonical textfc4f14f679282e401ab4d888f15a96614ccbf4c3799cddd70d7059b4804fadf4
Markdown50a3bb9893cbfa414de30904ce77627406e3d0062acf28172bb7852ad99045b3
PDF
Publication pageab2e0f374598581ec0496b68676316258b2a3ca25062acf509a14dd1a9d6b22e
Manifest26578ccbace82173b487d20d50893a4bb700b647bf0942599c8c5dab42e4ea54

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
SignatureHJD3SIVgO63sIgIC3S55YrB43708JrI30upU01LAhWBWOUbU85WniNFDlhCdWvFuywZIj5I2EhP3kx/KzjR5DQ==
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

2026-09-17T11:05:25.969492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048615
observed ab2e0f374598581ec0496b6867631625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.949864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048615/manifest.json
observed 26578ccbace82173b487d20d50893a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.929716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048615/publication.md
observed 50a3bb9893cbfa414de30904ce776274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:25.911200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048615/publication.txt
observed fc4f14f679282e401ab4d888f15a9661...
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.