OpenTechnical

OT-2026-000048702

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum 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-2026-000048702) never changes.

Identity and time

Publication numberOT-2026-000048702 · never reused
Internal UUID01a0ae80-c32b-71dc-87ce-d0d37303dabf · 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-2026-000048702
StatusPUBLIC

Content hashes

Canonical textf188e8821144458856ef51fb1e13c410b98860189499d754292adfe4a80d7095
Markdown5a28865eca72a696266b6f7c16d14a2844ddb262abcb9bb9e2892a7fd319772b
PDF
Publication pagedb698e9f1e7de03e67cf597358d9a3b3fe97f5e69f70afa09c955552e5501122
Manifest6adfe3a034c19cf081f15a8761b52fcd75fce95f4539732aaf963f8704aa1bd1

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
SignatureQYDOYxsPag6Y5UQ7+fUSbu2M64pk2p2qdWJgjcE/6l4KojJYinRvWPCb8DB7dzcEysaC/IfBYf60YPmbNc7GBg==
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

2026-09-17T11:04:20.307711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048702
observed db698e9f1e7de03e67cf597358d9a3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.286698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048702/manifest.json
observed 6adfe3a034c19cf081f15a8761b52fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.266203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048702/publication.md
observed 5a28865eca72a696266b6f7c16d14a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:20.248704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048702/publication.txt
observed f188e8821144458856ef51fb1e13c410...
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.