OpenTechnical

OT-2026-000003451

Publication integrity record

Elastic suction plates for delicate objects

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-2026-000003451) never changes.

Identity and time

Publication numberOT-2026-000003451 · never reused
Internal UUID01a0a6c2-6716-78b4-8e6a-46f9cd314702 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:29:13.366458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003451
StatusPUBLIC

Content hashes

Canonical text1359907ff486f5ccf7403dbb51c9a86712a8f03dcd7e7daed2a54624820f16a4
Markdown2574025122d922f9fa18cdf9c5140ae1be4909654efdd9fc723f79bc50d7a399
PDF
Publication page6fbb3b27bdbabb9cce858a166590ce159c6141ac2e10517c7a0036a60d19e68e
Manifestb8a6158ea12a5534dbdbaef10afaf8c9ef518024681a041d469f4b45ffb54dc4

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
Signature/Z0sfVM9yMRcAvu/Qm17Wx611pmJN2VEQZLKHdh8hnyn8x0Z5E6h4UUTS2YvqC/ZP3lMdiDa+unyFCANVgMKBg==
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

2026-10-18T12:41:33.632485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003451
observed 6fbb3b27bdbabb9cce858a166590ce15...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T12:41:33.575517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003451/manifest.json
observed b8a6158ea12a5534dbdbaef10afaf8c9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T12:41:33.530127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003451/publication.md
observed 2574025122d922f9fa18cdf9c5140ae1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T12:41:33.433411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003451/publication.txt
observed 1359907ff486f5ccf7403dbb51c9a867...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:46.091623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003451
observed 6fbb3b27bdbabb9cce858a166590ce15...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:45.894568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003451/manifest.json
observed b8a6158ea12a5534dbdbaef10afaf8c9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:45.658317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003451/publication.md
observed 2574025122d922f9fa18cdf9c5140ae1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:45.532037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003451/publication.txt
observed 1359907ff486f5ccf7403dbb51c9a867...
fetched by grabo-systems from 34.44.131.203, 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