Pith Number

pith:BRERMKYG

pith:2004:BRERMKYGHC4Y2MVJRQSFNKTZVX

not attested not anchored not stored refs pending

Eclipsing Binary Pulsars

Paulo C. C. Freire

arxiv:astro-ph/0404105 v1 · 2004-04-05 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BRERMKYGHC4Y2MVJRQSFNKTZVX}

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	2026-05-18T01:07:32.604862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c49162b0638b98d32a98c2456aa79ade9018348f8575a3b92c9935b04a3cc4b

Aliases

arxiv: astro-ph/0404105 · arxiv_version: astro-ph/0404105v1 · doi: 10.48550/arxiv.astro-ph/0404105 · pith_short_12: BRERMKYGHC4Y · pith_short_16: BRERMKYGHC4Y2MVJ · pith_short_8: BRERMKYG

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/BRERMKYGHC4Y2MVJRQSFNKTZVX \
  | 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: 0c49162b0638b98d32a98c2456aa79ade9018348f8575a3b92c9935b04a3cc4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4526e0345c69d193d1f5cae673f86abe71ad69d3a13caa5b192fdde5d0cc1773",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-05T19:34:10Z",
    "title_canon_sha256": "2a63d6e7af4db2296366e6792e6034b7d2731de89083544622643a1f00d17388"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404105",
    "kind": "arxiv",
    "version": 1
  }
}