Pith Number

pith:RAVL5UH3

pith:2013:RAVL5UH3I2LCPLSXS3GGIGY57G

not attested not anchored not stored refs pending

Atomic data for S II - Toward Better Diagnostics of Chemical Evolution in High-redshift Galaxies

Gary J. Ferland, Matt L. Lykins, Pavel Bogdanovich, Romas Kisielius, Varsha P. Kulkarni

arxiv:1311.2553 v1 · 2013-11-11 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RAVL5UH3I2LCPLSXS3GGIGY57G}

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	2026-05-18T01:46:32.312258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

882abed0fb469627ae5796cc641b1df9886d9f049ee1ff3b3d511d4c710f79f8

Aliases

arxiv: 1311.2553 · arxiv_version: 1311.2553v1 · doi: 10.48550/arxiv.1311.2553 · pith_short_12: RAVL5UH3I2LC · pith_short_16: RAVL5UH3I2LCPLSX · pith_short_8: RAVL5UH3

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/RAVL5UH3I2LCPLSXS3GGIGY57G \
  | 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: 882abed0fb469627ae5796cc641b1df9886d9f049ee1ff3b3d511d4c710f79f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ff983afbc1554b6d6e16fc3638cf0078c3f92229901393261950f2d4e05cb42",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-11-11T19:59:04Z",
    "title_canon_sha256": "7c65f2c8232c1bbc0c33d08f85534640c09cf9932e6593c5077a254a5101298d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2553",
    "kind": "arxiv",
    "version": 1
  }
}