Pith Number

pith:RZCIO4HA

pith:2013:RZCIO4HA4ERAHEKFCVNBLBM32A

not attested not anchored not stored refs pending

Carbon and Oxygen Abundances in Cool Metal-rich Exoplanet Hosts: A Case Study of the C/O Ratio of 55 Cancri

Caitlin A. Griffith (Lunar, Johanna K. Teske (Steward Observatory, Katia Cunha (Steward Observatory, Observatorio Nacional), Planetary Lab, Simon C. Schuler (University of Tampa), University of Arizona), Verne V. Smith (NOAO)

arxiv:1309.6032 v1 · 2013-09-24 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZCIO4HA4ERAHEKFCVNBLBM32A}

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	2026-05-18T01:47:33.889526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e448770e0e122039145155a15859bd02115609060e4d22d987a1188675558a5

Aliases

arxiv: 1309.6032 · arxiv_version: 1309.6032v1 · doi: 10.48550/arxiv.1309.6032 · pith_short_12: RZCIO4HA4ERA · pith_short_16: RZCIO4HA4ERAHEKF · pith_short_8: RZCIO4HA

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/RZCIO4HA4ERAHEKFCVNBLBM32A \
  | 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: 8e448770e0e122039145155a15859bd02115609060e4d22d987a1188675558a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c61c00ef775c33aa5baa3435b581a4ab886ba57fba151802435233cdefcf2526",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-24T02:57:20Z",
    "title_canon_sha256": "015ba1fbfff22f0f97ab8897dd5a9c53e0cdc3011fbc072ce569233f2f9bde71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6032",
    "kind": "arxiv",
    "version": 1
  }
}