Pith Number

pith:I64P72ZI

pith:2009:I64P72ZI6OCLWAL3KYX4QUXXF4

not attested not anchored not stored refs pending

On the peculiar momentum of baryons after Reionization

(2) Lawrence Berkeley National Laboratory), Carlos Hernandez-Monteagudo (1), Shirley Ho (2) ((1) MPA

arxiv:0903.2814 v1 · 2009-03-16 · 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{I64P72ZI6OCLWAL3KYX4QUXXF4}

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	2026-05-18T02:14:27.956578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47b8ffeb28f384bb017b562fc852f72f04f44bcdaf97ddc4c60d26469eb4f039

Aliases

arxiv: 0903.2814 · arxiv_version: 0903.2814v1 · doi: 10.48550/arxiv.0903.2814 · pith_short_12: I64P72ZI6OCL · pith_short_16: I64P72ZI6OCLWAL3 · pith_short_8: I64P72ZI

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/I64P72ZI6OCLWAL3KYX4QUXXF4 \
  | 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: 47b8ffeb28f384bb017b562fc852f72f04f44bcdaf97ddc4c60d26469eb4f039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc0caad993aeb4afa92deb5a4cf2398fd2677d4cad17cdeb8fde1a6bf0e468e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-16T18:00:27Z",
    "title_canon_sha256": "0c40dfdb888809e2ccf8d0429cbf6cf8c1ffd78411b2b68530c6896d72257599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2814",
    "kind": "arxiv",
    "version": 1
  }
}