Pith Number

pith:CMVFQCSA

pith:2012:CMVFQCSAQNI2VNA5BD2SDBI255

not attested not anchored not stored refs pending

Intensity Mapping with the 21-cm and Lyman Alpha Lines

Enrique Suarez, J. B. Peterson

arxiv:1206.0143 v1 · 2012-06-01 · 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{CMVFQCSAQNI2VNA5BD2SDBI255}

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	2026-05-18T03:54:27.010866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

132a580a408351aab41d08f521851aef69cf63fa67fb55776d15ee0a1dbfa42c

Aliases

arxiv: 1206.0143 · arxiv_version: 1206.0143v1 · doi: 10.48550/arxiv.1206.0143 · pith_short_12: CMVFQCSAQNI2 · pith_short_16: CMVFQCSAQNI2VNA5 · pith_short_8: CMVFQCSA

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/CMVFQCSAQNI2VNA5BD2SDBI255 \
  | 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: 132a580a408351aab41d08f521851aef69cf63fa67fb55776d15ee0a1dbfa42c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f25ce9451677b925883d9753b195628dbb75c75d81f8bc3d6a026a9a2611e58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-01T10:46:27Z",
    "title_canon_sha256": "babe5f9e4a05784848b81b1d782b5cc2e57da661abd5c2269c1db02959aeffe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0143",
    "kind": "arxiv",
    "version": 1
  }
}