Pith Number

pith:PYZ6GEUJ

pith:2014:PYZ6GEUJ4WL2YYEPORD3VJFPO7

not attested not anchored not stored refs pending

A Helium-Carbon Correlation on the Extreme Horizontal Branch in $\omega$ Centauri

Annalisa Calamida, Gilles Fontaine, Giuseppe Bono, Marilyn Latour, Pierre Brassard, Suzanna K. Randall

arxiv:1409.4042 v1 · 2014-09-14 · 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{PYZ6GEUJ4WL2YYEPORD3VJFPO7}

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	2026-05-18T01:42:02.776235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e33e31289e597ac608f7447baa4af77d8f8fd74e822a533d63e97814a69eda6

Aliases

arxiv: 1409.4042 · arxiv_version: 1409.4042v1 · doi: 10.48550/arxiv.1409.4042 · pith_short_12: PYZ6GEUJ4WL2 · pith_short_16: PYZ6GEUJ4WL2YYEP · pith_short_8: PYZ6GEUJ

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/PYZ6GEUJ4WL2YYEPORD3VJFPO7 \
  | 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: 7e33e31289e597ac608f7447baa4af77d8f8fd74e822a533d63e97814a69eda6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8353f43166aeef19a2b3ebd6d02a2c2f0b6cee27012ab39f83741cd742482b6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-09-14T10:17:27Z",
    "title_canon_sha256": "9008c5ba6d20981b9fb583604212994762996f2855d816a08c2e8036ab2f033d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4042",
    "kind": "arxiv",
    "version": 1
  }
}