Pith Number

pith:BR4I6IW5

pith:2010:BR4I6IW5SZB3N77X2LFPFQKIJL

not attested not anchored not stored refs pending

An attractor for dark matter structures

Diana Juncher, Martin Sparre, Steen H. Hansen

arxiv:1005.1643 v1 · 2010-05-10 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BR4I6IW5SZB3N77X2LFPFQKIJL}

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	2026-05-18T02:07:34.654717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c788f22dd9643b6fff7d2caf2c1484afd0b2b26e1c8ec821e8ce926aee729ce

Aliases

arxiv: 1005.1643 · arxiv_version: 1005.1643v1 · doi: 10.48550/arxiv.1005.1643 · pith_short_12: BR4I6IW5SZB3 · pith_short_16: BR4I6IW5SZB3N77X · pith_short_8: BR4I6IW5

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/BR4I6IW5SZB3N77X2LFPFQKIJL \
  | 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: 0c788f22dd9643b6fff7d2caf2c1484afd0b2b26e1c8ec821e8ce926aee729ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "876655b0acc25abff14674810b0fa09dbee5c1bb4a06a6b0cbaed8ff8075ab35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-10T20:00:04Z",
    "title_canon_sha256": "63861a131a6d16e006993b64a38b81cefa88519218ed68131d8a810551a52c5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1643",
    "kind": "arxiv",
    "version": 1
  }
}