Pith Number

pith:BJ2MBDU4

pith:2007:BJ2MBDU4Q6Q5UJTSQ42N4KNBOF

not attested not anchored not stored refs pending

Chaos and complexity in astrophysics

Oded Regev

arxiv:0705.2251 v1 · 2007-05-16 · 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{BJ2MBDU4Q6Q5UJTSQ42N4KNBOF}

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	2026-05-18T02:16:30.896774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a74c08e9c87a1da26728734de29a1714120558599133cb84861f48151e65e1a

Aliases

arxiv: 0705.2251 · arxiv_version: 0705.2251v1 · doi: 10.48550/arxiv.0705.2251 · pith_short_12: BJ2MBDU4Q6Q5 · pith_short_16: BJ2MBDU4Q6Q5UJTS · pith_short_8: BJ2MBDU4

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/BJ2MBDU4Q6Q5UJTSQ42N4KNBOF \
  | 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: 0a74c08e9c87a1da26728734de29a1714120558599133cb84861f48151e65e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd2015621a9f46d6acc12cfdf29d5e5c1d34e5babb58a15d119c68f1c7cbfb97",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-16T11:39:33Z",
    "title_canon_sha256": "c0d2aa89a3f608955f57c41de03425f7debf00b76453e6d1cec043c62a3025cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.2251",
    "kind": "arxiv",
    "version": 1
  }
}