Pith Number

pith:6G4TWAFG

pith:2013:6G4TWAFGZBCNXTTZD7V7C3BXH2

not attested not anchored not stored refs pending

Resonances in the Photoionization Cross Sections of Atomic Nitrogen Shape the Far-Ultraviolet Spectrum of the Bright Star in 47 Tucanae

Pierre Chayer, William V. Dixon

arxiv:1307.0718 v2 · 2013-07-02 · 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{6G4TWAFGZBCNXTTZD7V7C3BXH2}

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	2026-05-18T01:49:00.664998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1b93b00a6c844dbce791febf16c373eb6d14a6b8f5fc6127daec95d1e599b7c

Aliases

arxiv: 1307.0718 · arxiv_version: 1307.0718v2 · doi: 10.48550/arxiv.1307.0718 · pith_short_12: 6G4TWAFGZBCN · pith_short_16: 6G4TWAFGZBCNXTTZ · pith_short_8: 6G4TWAFG

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/6G4TWAFGZBCNXTTZD7V7C3BXH2 \
  | 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: f1b93b00a6c844dbce791febf16c373eb6d14a6b8f5fc6127daec95d1e599b7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52699fafbafe48a4b06e7365b5f3ca4d94506e3ee829096755b4bdc44bdad333",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-02T14:52:42Z",
    "title_canon_sha256": "b02b0cc06f8d7608a79576115e9da15e3ad20516c5da84e2361f4546019bb221"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0718",
    "kind": "arxiv",
    "version": 2
  }
}