OpenTechnical

OT-2026-000003162

Publication integrity record

Vacuum based lifter device for displacement of an article

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-2026-000003162) never changes.

Identity and time

Publication numberOT-2026-000003162 · never reused
Internal UUID01a0a696-d11e-7fb9-882a-741ae032dfde · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:41:36.927369Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003162
StatusPUBLIC

Content hashes

Canonical text98fe0e25e768370feb1e39a6c63e62f17e22205330483d7680b250ed5d955747
Markdown7c70de839613d6628a12484d9dc1e9fb0ee32f23153f1d607af1a0746d995015
PDF
Publication page5c3d7d7b86cd39a4095a5541787b1ba928ff575bc92cb1624e390f8abb857f3b
Manifest6c615fe51b13c3b196526279c06e9f7bb240fe8f3be3648c70767e206af88a88

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
SignatureR1T80a8151Uid/pZZG6Ift7uSCIAkP+TPSi1mTCcZ1qXCKcKG+p1Z7cf5q+EzJdAHj7VICFqN04Sh6JsErmiCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:47:02Z
batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof
root 713cd89b73be422b38f7894d4fb6a755...

Independent retrieval

2026-09-15T19:50:07.385710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003162
observed 5c3d7d7b86cd39a4095a5541787b1ba9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:07.356588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003162/manifest.json
observed 6c615fe51b13c3b196526279c06e9f7b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:07.344126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003162/publication.txt
observed 98fe0e25e768370feb1e39a6c63e62f1...
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