OpenTechnical

OT-2026-000003138

Publication integrity record

Clamping device for releasably securing two sections

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-2026-000003138) never changes.

Identity and time

Publication numberOT-2026-000003138 · never reused
Internal UUID01a0a692-6d58-7387-a97c-047f6bc53852 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:36:49.241093Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003138
StatusPUBLIC

Content hashes

Canonical text9cc2d2915300b1addccfbe0fb3b654e38c2bb2483de62d26beefa9cf2e49329c
Markdown8bf05a16cea4994311ba722c6f699aa3c5d99591aaf74bc1e7c2237bf949338a
PDF
Publication page383f717c3666712a2067828cab2af75cae3a1bbf1cec824707601f05ad71e9a6
Manifest39d977096503b97ccf8d22e3ea77c8007e7ddc97002e69dbf6bfba6e0662a9d9

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
Signaturem1mfEL8pD6LQInxyqJ3057NAur+BafY9Rwp6zlUSYJUF90F4MY7ORrHbz3h5VJgw+jxHFgpck/FGzekpLPMoBg==
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

2026-10-24T16:41:27.386394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003138
observed 383f717c3666712a2067828cab2af75c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T16:41:27.317198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003138/manifest.json
observed 39d977096503b97ccf8d22e3ea77c800...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T16:41:27.243633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003138/publication.md
observed 8bf05a16cea4994311ba722c6f699aa3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-24T16:41:27.094809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003138/publication.txt
observed 9cc2d2915300b1addccfbe0fb3b654e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T04:23:03.968688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003138
observed 383f717c3666712a2067828cab2af75c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-14T04:23:03.917916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003138/manifest.json
observed 39d977096503b97ccf8d22e3ea77c800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-14T04:23:03.866365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003138/publication.md
observed 8bf05a16cea4994311ba722c6f699aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-14T04:23:03.699853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003138/publication.txt
observed 9cc2d2915300b1addccfbe0fb3b654e3...
fetched by instance-3.rotem.ai from 34.69.0.72, 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