Pith Number

pith:EC46ZQFY

pith:2007:EC46ZQFYRZMSGIC2AX6MVKVL5U

not attested not anchored not stored refs pending

Scalable N-body code for the modelling of early-type galaxies

Centre de Recherche Astrophysique de Lyon), Emilie Jourdeuil, Eric Emsellem (Universite Lyon I

arxiv:0709.3961 v1 · 2007-09-25 · astro-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{EC46ZQFYRZMSGIC2AX6MVKVL5U}

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	2026-05-18T02:16:10.986585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b9ecc0b88e5923205a05fccaaaabed0d7de6fd92aee0683b8ebe5404064adc

Aliases

arxiv: 0709.3961 · arxiv_version: 0709.3961v1 · doi: 10.48550/arxiv.0709.3961 · pith_short_12: EC46ZQFYRZMS · pith_short_16: EC46ZQFYRZMSGIC2 · pith_short_8: EC46ZQFY

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/EC46ZQFYRZMSGIC2AX6MVKVL5U \
  | 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: 20b9ecc0b88e5923205a05fccaaaabed0d7de6fd92aee0683b8ebe5404064adc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72d20ab886ac97e0c7e372334deb6310d5c61600770db0aa1719c078125ac506",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-25T14:18:05Z",
    "title_canon_sha256": "ed14cc47b869c7cf4d6b5b7841f3b6e029755dd23df93b8b447f83d5a6f1b5a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.3961",
    "kind": "arxiv",
    "version": 1
  }
}