Pith Number

pith:MLEJUG3T

pith:2015:MLEJUG3TFIEN4RFAYHHQ2TX52J

not attested not anchored not stored refs pending

Atomic data for Zn II - Improving Spectral Diagnostics of Chemical Evolution in High-redshift Galaxies

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

arxiv:1504.01667 v1 · 2015-04-07 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MLEJUG3TFIEN4RFAYHHQ2TX52J}

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	2026-05-18T02:04:05.702115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62c89a1b732a08de44a0c1cf0d4efdd24954cc35fbf62c6727a888278368d81e

Aliases

arxiv: 1504.01667 · arxiv_version: 1504.01667v1 · doi: 10.48550/arxiv.1504.01667 · pith_short_12: MLEJUG3TFIEN · pith_short_16: MLEJUG3TFIEN4RFA · pith_short_8: MLEJUG3T

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/MLEJUG3TFIEN4RFAYHHQ2TX52J \
  | 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: 62c89a1b732a08de44a0c1cf0d4efdd24954cc35fbf62c6727a888278368d81e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a38d840269df15ff6ba83a245285176cf98398e9ff5dc77749e6dda49241c74",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-07T17:03:18Z",
    "title_canon_sha256": "80881edb3cab192b55446113330ab292e0facf745aaf502be374cf9371eea946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01667",
    "kind": "arxiv",
    "version": 1
  }
}