OpenTechnical

OT-2026-000013310

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000013310) never changes.

Identity and time

Publication numberOT-2026-000013310 · never reused
Internal UUID01a0ae6d-6fc9-777e-aa0f-a12be5b81249 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013310
StatusPUBLIC

Content hashes

Canonical text8b10b8bc79238ca62c666ad143e2dc30e1ed729dc138be0f9b6030bbd414348a
Markdown37b648cfe2d5f14856eec1024e98caca978a38ef6bc388acd8823cd9e44b4c5d
PDF
Publication page725292406289b279335b53fdc23f4595b5b100ea94226d20aa60f6ab41320b16
Manifest9c8ba865f69810768589408e692e20cdde9767d4ef314750f81c73a570f1bda2

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
Signature1bdy5wjH6NiixE9H/FRFE85qrRP4AeHAk+lxURz0V3v7RoZjACjl/wUN06MEj9PUvP5m1MQAJTsYmWqWg0peAg==
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

2026-09-17T12:09:44.422091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013310
observed 725292406289b279335b53fdc23f4595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.403517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013310/manifest.json
observed 9c8ba865f69810768589408e692e20cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.384054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013310/publication.md
observed 37b648cfe2d5f14856eec1024e98caca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.365219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013310/publication.txt
observed 8b10b8bc79238ca62c666ad143e2dc30...
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.