Pith Number

pith:WCMKF3YU

pith:2010:WCMKF3YUBBET473HO4JHRHSCBW

not attested not anchored not stored refs pending

The linear polarization of nearby bright stars measured at the parts per million level

Jeremy Bailey, J.H. Hough, P.W. Lucas

arxiv:1003.1753 v1 · 2010-03-08 · astro-ph.SR · astro-ph.GA · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCMKF3YUBBET473HO4JHRHSCBW}

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	2026-05-18T02:08:36.317279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b098a2ef1408493e7f677712789e420d8256d1cce985a375b477cdbcb8ce1b08

Aliases

arxiv: 1003.1753 · arxiv_version: 1003.1753v1 · doi: 10.48550/arxiv.1003.1753 · pith_short_12: WCMKF3YUBBET · pith_short_16: WCMKF3YUBBET473H · pith_short_8: WCMKF3YU

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/WCMKF3YUBBET473HO4JHRHSCBW \
  | 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: b098a2ef1408493e7f677712789e420d8256d1cce985a375b477cdbcb8ce1b08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdd14afdb4eb4e32ff7819d99644437084c06500e29dfbfc24c3a246786d0029",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-03-08T23:39:29Z",
    "title_canon_sha256": "ff9802cc90c33bc06db87fe1289eff4df5862c0722d2b23c0ce519e6fb19b7f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1753",
    "kind": "arxiv",
    "version": 1
  }
}