OpenTechnical

OT-2026-000002442

Publication integrity record

Pipe anchoring system and device for autonomous in-fluid robotic device

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-2026-000002442) never changes.

Identity and time

Publication numberOT-2026-000002442 · never reused
Internal UUID01a0a67c-b48d-7787-bdf4-77a653aa3248 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:05.677629Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002442
StatusPUBLIC

Content hashes

Canonical text9567cb904d8c78a9c8ae0a585adbfa0352dcb767c6a9e562c924a5d32f52f0e5
Markdown88df5b7bcbf7a8e1f3a765871a6a659b2bc2923fb5945847ac20e25653a24423
PDF
Publication page24ed2229efc8913d92a64c8d2925c68599f5acbee80d5bc6dad1ba59d4c227e5
Manifest54255fa5c2ce2ca8d9e1cd80e0390395ae332f8bec486aa20aa50f14ea74cd65

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
SignatureHFLFHUuqYOhs3cjILitCNOP95dfoOTw4ZvbD9aXlXvCocmbhHwutQ4kAD4u9y0zkC1Bms3Kv2ZWokvlAKOEbCA==
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

2026-09-15T19:40:15.008013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002442
observed 24ed2229efc8913d92a64c8d2925c685...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:14.978117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002442/manifest.json
observed 54255fa5c2ce2ca8d9e1cd80e0390395...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:14.963124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002442/publication.txt
observed 9567cb904d8c78a9c8ae0a585adbfa03...
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