Pith Number

pith:5UTQQHDW

pith:2011:5UTQQHDWV7BRTOWI6FZVGKQO7R

not attested not anchored not stored refs pending

Estimating the binary fraction of planetary nebulae central stars

A. Peyaud, A. Zijlstra, D. Douchin, D. J. Frew, G. H. Jacoby, G. Jasniewicz, H. Bond, J.-C. Passy, O. De Marco, Q. Parker, R. Napiwotzki, S. B. Howell, T. Hillwig

arxiv:1110.4192 v3 · 2011-10-19 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5UTQQHDWV7BRTOWI6FZVGKQO7R}

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	2026-05-18T02:00:08.827232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed27081c76afc319bac8f173532a0efc46c225943bc76ceb01c78197297ae7c5

Aliases

arxiv: 1110.4192 · arxiv_version: 1110.4192v3 · doi: 10.48550/arxiv.1110.4192 · pith_short_12: 5UTQQHDWV7BR · pith_short_16: 5UTQQHDWV7BRTOWI · pith_short_8: 5UTQQHDW

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/5UTQQHDWV7BRTOWI6FZVGKQO7R \
  | 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: ed27081c76afc319bac8f173532a0efc46c225943bc76ceb01c78197297ae7c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea47216dbfa703e04ab41e22170442492c091886876237436a511815d8be4af0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-19T06:16:07Z",
    "title_canon_sha256": "86327bc6bea6ff6e766c54297a1691c5a29fb25b11737917558078a4b7139409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4192",
    "kind": "arxiv",
    "version": 3
  }
}