Pith Number

pith:7UGIX6V4

pith:2009:7UGIX6V4ISBY2KJICQ7TDZ7Q3F

not attested not anchored not stored refs pending

Mass Accretion Rates and Histories of Dark Matter Haloes

Chung-Pei Ma, James McBride, Onsi Fakhouri

arxiv:0902.3659 v2 · 2009-02-23 · 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{7UGIX6V4ISBY2KJICQ7TDZ7Q3F}

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	2026-05-18T02:14:46.666055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd0c8bfabc44838d2928143f31e7f0d964f212358d27f7147f432ae0cb63c841

Aliases

arxiv: 0902.3659 · arxiv_version: 0902.3659v2 · doi: 10.48550/arxiv.0902.3659 · pith_short_12: 7UGIX6V4ISBY · pith_short_16: 7UGIX6V4ISBY2KJI · pith_short_8: 7UGIX6V4

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/7UGIX6V4ISBY2KJICQ7TDZ7Q3F \
  | 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: fd0c8bfabc44838d2928143f31e7f0d964f212358d27f7147f432ae0cb63c841

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed1a31316cadf3fd4e14611f230a2a8502d18a9f813eec15a07e35081526eb66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-02-23T06:22:10Z",
    "title_canon_sha256": "dcf359b6cb74da66dd53905fc56ad8fa9f3ab866a61af0642a94fa67398a5e7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3659",
    "kind": "arxiv",
    "version": 2
  }
}