OpenTechnical

OT-2026-000006254

Publication integrity record

Magnetic end effector, three stage ejector, electromagnet, 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-2026-000006254) never changes.

Identity and time

Publication numberOT-2026-000006254 · never reused
Internal UUID01a0a954-88ea-7ab2-81b9-0ca1c4bcf2c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:28:04.717294Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006254
StatusPUBLIC

Content hashes

Canonical texte942a5f06274b781936b599faf71768534816954e7d694d2f6ba02e9215b399d
Markdownbff1792e99b0423f81f6d8a41ce934506c5b34f7658c7f50e830eb0e1780aff7
PDF
Publication page69ad0822569af6e198f0b25aac16ab12931601dc82f5be82506632c2007c1cc9
Manifest566b9c11ab114eb1c662eebbbd8d5a392d0e0e39ec5f02d825a947fd61cae704

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
SignatureqdM2AvFeu3277OE5X0texNO6BrVCze06d2MxOFLEcsBwa60dNKa4a6woq4BKPKXlVeZgSOkJWYTj1FXyvXrNCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:09.490334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006254
observed 69ad0822569af6e198f0b25aac16ab12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.476970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006254/manifest.json
observed 566b9c11ab114eb1c662eebbbd8d5a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.464610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006254/publication.md
observed bff1792e99b0423f81f6d8a41ce93450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.451080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006254/publication.txt
observed e942a5f06274b781936b599faf717685...
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.