OpenTechnical

OT-2026-000000655

Publication integrity record

Water polo water injection assembly and water polo water injection 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-2026-000000655) never changes.

Identity and time

Publication numberOT-2026-000000655 · never reused
Internal UUID01a0a673-a8d2-7681-a957-767fad0258ef · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:12.850752Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000655
StatusPUBLIC

Content hashes

Canonical text49759e51e7a9aa0eaf666fd96920515502bf6121d705c7c158ba8565da926993
Markdown303702c68e1f4dbd1219c891a7c7188656cca5deb931cec12c805c509879bdc0
PDF
Publication page615cfdd48da79bd2744844505a4ff72602edb18278873580d38e86c10260fb65
Manifestb56c7a32ccfd35ef71e73893b4ba57e71c908a1b1b06bd4dab53b370d1659c2c

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
SignaturebMZzg5QqATg7McS9q4UgsMj/7pk5LFvjK6CXB1fVYnvKWDILX3OxGct8f0XxMdOyzFCbXJk4EgSgSlyxuAmiDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-16T16:41:54.987072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000655
observed 615cfdd48da79bd2744844505a4ff726...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:54.822453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000655/manifest.json
observed b56c7a32ccfd35ef71e73893b4ba57e7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:54.695395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000655/publication.md
observed 303702c68e1f4dbd1219c891a7c71886...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:54.535614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000655/publication.txt
observed 49759e51e7a9aa0eaf666fd969205155...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:40:19.577363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000655
observed 615cfdd48da79bd2744844505a4ff726...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:19.548788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000655/manifest.json
observed b56c7a32ccfd35ef71e73893b4ba57e7...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:19.535636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000655/publication.txt
observed 49759e51e7a9aa0eaf666fd969205155...
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