OpenTechnical

OT-2026-000003460

Publication integrity record

Air-suction lifter

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-2026-000003460) never changes.

Identity and time

Publication numberOT-2026-000003460 · never reused
Internal UUID01a0a6c3-8d56-78fb-ab18-ad707029974d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:30:28.694577Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003460
StatusPUBLIC

Content hashes

Canonical text926d173f53c883fe238a5b86ca3c14a14a8c4af48515d5add72985da022bcdf4
Markdowndc80334511ae7875189b1d468dbf0f3c51655069723265fc1272f1432bc467c8
PDF
Publication page1239f2dad325dafe19b4ff2fa488316135bddb5140ebe56692c52c0a9ff7524d
Manifeste9d127087009b12c4cb284ba44a1c8898e4201420c407f5048d8b2946bf36222

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
Signature2vYBBFvO7ILoyuziHuHlav4AYkGBDA8z528ys/CP0wiUCl9kYfyCFA1XJX3zw98WBbEn044cKCA33qNU58PpDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:36:25Z
batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof
root 40fdb380c9f41bd58bb35c455dde2c7d...

Independent retrieval

2026-09-15T20:40:07.470263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003460
observed 1239f2dad325dafe19b4ff2fa4883161...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:07.313245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003460/manifest.json
observed e9d127087009b12c4cb284ba44a1c889...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:07.298956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003460/publication.txt
observed 926d173f53c883fe238a5b86ca3c14a1...
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