OpenTechnical

OT-2026-000000298

Publication integrity record

Power end of reciprocating pump

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-2026-000000298) never changes.

Identity and time

Publication numberOT-2026-000000298 · never reused
Internal UUID01a0a673-3447-7ad3-a1bd-cc7e901472ca · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:02:43.015614Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000298
StatusPUBLIC

Content hashes

Canonical text4bae8eeb7065707086b5df61dc7ee3ca3c8e61fa6440db2d4409dc8937b72b0c
Markdowna7fe4833c91014affaa30b424237db06533ed5f480d69871292fed8c35a7a3b7
PDF
Publication page0ed09dca53b19d743766c48a233aba39e8991a913bde9da4b452182f8d14957c
Manifestf3569a9c5e64e1a871c10d806cbc05304b2d10512bd90f41d72fc4a2999ee6dc

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
SignatureUFlShrTJCE2hrs2DbqroW5nLquzHbeSghcSqKku67BjigX6+6ByGKo1e0/8hDJdArEMPbJNjnxb740Wx26izBA==
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

2026-09-15T20:50:26.561933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000298
observed 0ed09dca53b19d743766c48a233aba39...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:26.534294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000298/manifest.json
observed f3569a9c5e64e1a871c10d806cbc0530...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:50:26.520280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000298/publication.txt
observed 4bae8eeb7065707086b5df61dc7ee3ca...
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