Pith Number

pith:EWQ4TXCZ

pith:2025:EWQ4TXCZD6H2VQ355GY3SZVEUA

not attested not anchored not stored refs pending

A causality inspired acceleration method for the fast temporal superposition of the finite line source solutions

Alberto Lazzarotto, Marc Basquens

arxiv:2507.18200 v1 · 2025-07-24 · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EWQ4TXCZD6H2VQ355GY3SZVEUA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:42:43.524060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a1c9dc591f8faac37de9b1b966a4a0202c37e316294fddf76942602b2e2da0

Aliases

arxiv: 2507.18200 · arxiv_version: 2507.18200v1 · doi: 10.48550/arxiv.2507.18200 · pith_short_12: EWQ4TXCZD6H2 · pith_short_16: EWQ4TXCZD6H2VQ35 · pith_short_8: EWQ4TXCZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EWQ4TXCZD6H2VQ355GY3SZVEUA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 25a1c9dc591f8faac37de9b1b966a4a0202c37e316294fddf76942602b2e2da0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccadedb47d54788b8937a28e16e79c9a72da85a40e8741f826d300bdaf491b08",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2025-07-24T08:56:09Z",
    "title_canon_sha256": "7084d8923066e5a6b185bee9f6b347b4fec2009603f83d24d5b97de898fd2997"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.18200",
    "kind": "arxiv",
    "version": 1
  }
}