Pith Number

pith:XFGZZ52K

pith:2011:XFGZZ52KFAABBRBBG4PNT5NAAH

not attested not anchored not stored refs pending

New effective recombination coefficients for nebular N II lines

P. J. Storey, X. Fang, X.-W. Liu

arxiv:1103.5558 v1 · 2011-03-29 · 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{XFGZZ52KFAABBRBBG4PNT5NAAH}

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	2026-05-18T02:02:43.662824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b94d9cf74a280010c421371ed9f5a001f8c10b3f29d2a910630f130f26e8ff75

Aliases

arxiv: 1103.5558 · arxiv_version: 1103.5558v1 · doi: 10.48550/arxiv.1103.5558 · pith_short_12: XFGZZ52KFAAB · pith_short_16: XFGZZ52KFAABBRBB · pith_short_8: XFGZZ52K

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/XFGZZ52KFAABBRBBG4PNT5NAAH \
  | 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: b94d9cf74a280010c421371ed9f5a001f8c10b3f29d2a910630f130f26e8ff75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92a0b72e17c00bd6756304633abb110a70fd97bb7d4a965c11fc746ff2b7ba89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-29T07:34:43Z",
    "title_canon_sha256": "3c33c6e7a5b950c0653e37cfdd63e1ffe0d5ac0bed0d53ade5c499e50d007ef9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5558",
    "kind": "arxiv",
    "version": 1
  }
}