Pith Number

pith:5VVYQCHA

pith:2009:5VVYQCHAOSLHMWP6TPNT5V5JOX

not attested not anchored not stored refs pending

BDM Dark Matter: CDM with a core profile and a free streaming scale

Axel de la Macorra

arxiv:0908.0571 v1 · 2009-08-05 · 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{5VVYQCHAOSLHMWP6TPNT5V5JOX}

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	2026-05-18T02:12:44.643109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed6b8808e074967659fe9bdb3ed7a975c49b78b499e90d602d74d3842a02d586

Aliases

arxiv: 0908.0571 · arxiv_version: 0908.0571v1 · doi: 10.48550/arxiv.0908.0571 · pith_short_12: 5VVYQCHAOSLH · pith_short_16: 5VVYQCHAOSLHMWP6 · pith_short_8: 5VVYQCHA

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/5VVYQCHAOSLHMWP6TPNT5V5JOX \
  | 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: ed6b8808e074967659fe9bdb3ed7a975c49b78b499e90d602d74d3842a02d586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef4d0b943ae9c740449ef252cb0bdc727ccc60c51dc3d911eea9a54808169cba",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-05T00:39:46Z",
    "title_canon_sha256": "804f72f061409f68b530ee210b8db2b2ebece74c8e1ceeb37495690413e1c331"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0571",
    "kind": "arxiv",
    "version": 1
  }
}