OpenTechnical

OT-2026-000002162

Publication integrity record

A lifting system for lifting components to an elongated structure

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-2026-000002162) never changes.

Identity and time

Publication numberOT-2026-000002162 · never reused
Internal UUID01a0a67a-f620-7048-891a-1426c87fd13b · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:11.393129Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002162
StatusPUBLIC

Content hashes

Canonical textff4dc9d95b88ddafed82582825bdd9b51eaff4a9d7cd2f705165fface3d2d47a
Markdown623a90d4289d8d6248b35f761274af3b7188e6024b55cdba777351b6729e0ae2
PDF
Publication page8ea979663ffe31a9fd096dd89cdf38ab613063bdaf53bdaf0c6905bc7f4c1bfc
Manifestefc31948b2bb585764e938d64a29ca2d8c10416fcca24346c4cfd7c5dd801b1d

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
SignatureXha2rbtgY3Absc8ZM1hETOtMnlDbl02xZx9BoqoP66siUeAf/MZHCESAga6W1/HEQe2dyZqvwV0vMSr6Btp+DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:50:18.562453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002162
observed 8ea979663ffe31a9fd096dd89cdf38ab...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:18.412532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002162/manifest.json
observed efc31948b2bb585764e938d64a29ca2d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:18.400276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002162/publication.txt
observed ff4dc9d95b88ddafed82582825bdd9b5...
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