Pith Number

pith:CWU2ZADN

pith:2012:CWU2ZADNICR7OCMI52FP3I3APX

not attested not anchored not stored refs pending

No evidence of dark matter in the solar neighborhood

C. Moni Bidin, G. Carraro, R. A. Mendez, R. Smith

arxiv:1204.3919 v1 · 2012-04-17 · 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{CWU2ZADNICR7OCMI52FP3I3APX}

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	2026-05-18T03:57:38.318219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15a9ac806d40a3f70988ee8afda3607dccccbcfe8b1fd27d54aa0520ab8c88e7

Aliases

arxiv: 1204.3919 · arxiv_version: 1204.3919v1 · doi: 10.48550/arxiv.1204.3919 · pith_short_12: CWU2ZADNICR7 · pith_short_16: CWU2ZADNICR7OCMI · pith_short_8: CWU2ZADN

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/CWU2ZADNICR7OCMI52FP3I3APX \
  | 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: 15a9ac806d40a3f70988ee8afda3607dccccbcfe8b1fd27d54aa0520ab8c88e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20fb756bca52fdc2097d286a7c1f47efee79be336bb9cc0841790f927e13f0ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-17T21:15:26Z",
    "title_canon_sha256": "0bded4b06d0077c156f64372fda4c37b300d09d3cebc80bd2f7e8b4106985bf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3919",
    "kind": "arxiv",
    "version": 1
  }
}