Pith Number

pith:NJAMKVAA

pith:2013:NJAMKVAAP5PUFAAKBXDSOOFH2C

not attested not anchored not stored refs pending

The formation of disc galaxies in high resolution moving-mesh cosmological simulations

Federico Marinacci, Ruediger Pakmor, Volker Springel

arxiv:1305.5360 v2 · 2013-05-23 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJAMKVAAP5PUFAAKBXDSOOFH2C}

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	2026-05-18T01:49:47.371457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a40c554007f5f42800a0dc72738a7d0be30f69b67ea4678a14f6f2a4eeae9ef

Aliases

arxiv: 1305.5360 · arxiv_version: 1305.5360v2 · doi: 10.48550/arxiv.1305.5360 · pith_short_12: NJAMKVAAP5PU · pith_short_16: NJAMKVAAP5PUFAAK · pith_short_8: NJAMKVAA

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/NJAMKVAAP5PUFAAKBXDSOOFH2C \
  | 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: 6a40c554007f5f42800a0dc72738a7d0be30f69b67ea4678a14f6f2a4eeae9ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "425bfc1cca2cdef73376f31204196a8cf1d29a80bc3e95bec1413e48965d4658",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-23T09:38:01Z",
    "title_canon_sha256": "b120c994abaacc3271e5c229a4d9699144f54ce3c2f752867e998cd09420da3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5360",
    "kind": "arxiv",
    "version": 2
  }
}