OpenTechnical

OT-2026-000049701

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000049701) never changes.

Identity and time

Publication numberOT-2026-000049701 · never reused
Internal UUID01a0ae81-8fee-75c0-a762-d874b4bfa0fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049701
StatusPUBLIC

Content hashes

Canonical textb3772382f89f62bb9e2de4e0818d9e0941897fb522529706949bb231915ef0d7
Markdown51300f2ea1035fcf2586154aa49cbd549a7836ad912922255ce03f815c03db68
PDF
Publication pageea8eb58bb3e5917a8be84082699b174e7b071e3ae9bf97d3c550975d51900989
Manifest09e04f4d408362648ef3a8decb4b5833ba62c5d5fb53ab69fa1f12b144553843

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
Signature1fjvgXUEB1x6wqkhXETjrfeSj1DBtiiPI5Byxa1oUz79pUER5XEV0fcH1md/Tvxqv8AyPM/tvlKhkIsp++esBg==
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

2026-09-17T11:02:42.888073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049701
observed ea8eb58bb3e5917a8be84082699b174e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.869274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049701/manifest.json
observed 09e04f4d408362648ef3a8decb4b5833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.850051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049701/publication.md
observed 51300f2ea1035fcf2586154aa49cbd54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.832481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049701/publication.txt
observed b3772382f89f62bb9e2de4e0818d9e09...
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.