OpenTechnical

OT-2026-000048582

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000048582) never changes.

Identity and time

Publication numberOT-2026-000048582 · never reused
Internal UUID01a0ae80-4de7-7999-ba5a-dc00d4a568ff · 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-2026-000048582
StatusPUBLIC

Content hashes

Canonical text9259e819ecaadcc4828b377c56535a7e9c5fd62ed16584502b123965606ccffc
Markdown4bb8801c31d9c34fa2374ddac9462672670dd09482af004e9365d160e93e0179
PDF
Publication pagecc1beb712e83b23c511701a4148c35ce86eac9bedb7a62d3f37109978c078589
Manifest9b18610914aec967c0ecc981981aed504215b790241b93272c88863222b161c5

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
SignaturefuENIW1Cs5iIVm92YrsoDzmvh6c4lQYAeCVPxWsNyv/g/mxID+KHzEL/C32vbLdcgyPAm8KyL01P4M+JzlYpDg==
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

2026-09-17T11:05:23.340536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048582
observed cc1beb712e83b23c511701a4148c35ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.321861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048582/manifest.json
observed 9b18610914aec967c0ecc981981aed50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.302974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048582/publication.md
observed 4bb8801c31d9c34fa2374ddac9462672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:23.285145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048582/publication.txt
observed 9259e819ecaadcc4828b377c56535a7e...
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.