Pith Number

pith:SB2B34ES

pith:2010:SB2B34ESB6LBSQQSTZFNELYPIG

not attested not anchored not stored refs pending

Measuring the local dark matter density

George Lake, Justin I. Read, Silvia Garbari

arxiv:1001.1038 v2 · 2010-01-07 · 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{SB2B34ESB6LBSQQSTZFNELYPIG}

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	2026-05-18T04:20:35.928870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90741df0920f961942129e4ad22f0f419037a7d00c3fdd92f1e7b65a59da91e4

Aliases

arxiv: 1001.1038 · arxiv_version: 1001.1038v2 · doi: 10.48550/arxiv.1001.1038 · pith_short_12: SB2B34ESB6LB · pith_short_16: SB2B34ESB6LBSQQS · pith_short_8: SB2B34ES

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/SB2B34ESB6LBSQQSTZFNELYPIG \
  | 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: 90741df0920f961942129e4ad22f0f419037a7d00c3fdd92f1e7b65a59da91e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62011551799333f0ca020f714e370d291a007808e12d7f3d61a33e94aa35ba11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-07T10:18:44Z",
    "title_canon_sha256": "bb90a7d2df74c4991205a71b4b872fa667a8965f73b7bb9e4cb8feb8f50975f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.1038",
    "kind": "arxiv",
    "version": 2
  }
}