Pith Number

pith:44WYYV2T

pith:2004:44WYYV2TVZEMEK56UFEMR35YVG

not attested not anchored not stored refs pending

Discovering Interacting Binaries with Halpha Surveys

Andrew Witham, Christian Knigge, Janet Drew, Paul Groot, Quentin Parker, Robert Greimel

arxiv:astro-ph/0412079 v1 · 2004-12-03 · 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{44WYYV2TVZEMEK56UFEMR35YVG}

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	2026-05-18T04:27:04.376829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e72d8c5753ae48c22bbea148c8efb8a98f33ae7f7e5262c278f348d205449a70

Aliases

arxiv: astro-ph/0412079 · arxiv_version: astro-ph/0412079v1 · doi: 10.48550/arxiv.astro-ph/0412079 · pith_short_12: 44WYYV2TVZEM · pith_short_16: 44WYYV2TVZEMEK56 · pith_short_8: 44WYYV2T

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/44WYYV2TVZEMEK56UFEMR35YVG \
  | 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: e72d8c5753ae48c22bbea148c8efb8a98f33ae7f7e5262c278f348d205449a70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "144383399a85670f26ce368925665ec8e9eee5ec56d65a2fe4a9c0618799ff32",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-03T12:50:36Z",
    "title_canon_sha256": "0ba0153b2ac06c33d8fae8f3d5b74821e1c2e1e70290ab4ae90fe0fb7720d226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412079",
    "kind": "arxiv",
    "version": 1
  }
}