OpenTechnical

OT-2026-000048725

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000048725) never changes.

Identity and time

Publication numberOT-2026-000048725 · never reused
Internal UUID01a0ae80-c32b-774c-8360-cb3b445bbdfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048725
StatusPUBLIC

Content hashes

Canonical textecafe71c565335d12d33922b82ff7fd98a6742ea57698b2fafcca6b61f827951
Markdown16dd288fa9e2882cb5d07285cb1c19dd27f9aadf687e2e34cbcade5949dbd5f7
PDF
Publication pagebff0f9c6383fd875d0b6b7ded1ed62fe97f014c929bd0b719e120d724715723c
Manifest07f5089a28f15594b13b2f23459df60b09400dc5d93a36125fa952506bb0d6bc

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
SignatureXyW2IPl5+9WlmU8KYAxYwKVYLEjwlh4GTgOGdrxYsvCvI1DLs+7SwU22/E4jrG5/uBY028D0RbfN01Czn6RtAg==
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

2026-09-17T11:04:22.420620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048725
observed bff0f9c6383fd875d0b6b7ded1ed62fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.399949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048725/manifest.json
observed 07f5089a28f15594b13b2f23459df60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.380403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048725/publication.md
observed 16dd288fa9e2882cb5d07285cb1c19dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:22.358863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048725/publication.txt
observed ecafe71c565335d12d33922b82ff7fd9...
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.