OpenTechnical

OT-2026-000001285

Publication integrity record

Vacuum lifting tube arrangement having extension-lockable lifting tube

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-2026-000001285) never changes.

Identity and time

Publication numberOT-2026-000001285 · never reused
Internal UUID01a0a674-fec6-7dd4-b762-2b396be86edb · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:04:40.391428Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001285
StatusPUBLIC

Content hashes

Canonical text4684a66791db436a977f9df04701a1579aa6480248b849af693e53bea3f6c321
Markdown4ddee692b3742862a0f6e35d7240e087e2c9f026bc77e5807f1e977a03fe2b12
PDF
Publication page47f63da4bcf41ac587ff9ba73592391734bb4f4ca931c8ef41909e1cf22d1e1a
Manifest8911493bf68153516ad884c69d70e0bb744eb9a176f213cbec25f68bc7386c47

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
SignatureEkMbglBMzuYT4YIa7jasblh0M25Jbeoah0yeoXd9yrKKbuAhjJPSmD1LG6+pyaj+vRZvnlDLXl3FuIE4ztvcAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-15T20:10:34.987911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001285
observed 47f63da4bcf41ac587ff9ba735923917...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:34.832802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001285/manifest.json
observed 8911493bf68153516ad884c69d70e0bb...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:34.818512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001285/publication.txt
observed 4684a66791db436a977f9df04701a157...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent