Pith Number

pith:EKWZKLEM

pith:2019:EKWZKLEMLHCWE66K44GNCJ4NQJ

not attested not anchored not stored refs pending

The Relationship Between Galaxy ISM and Circumgalactic Gas Metallicities

Christopher W. Churchill, Glenn G. Kacprzak, Jane C. Charlton, Nikole M. Nielsen, Sowgat Muzahid, Stephanie K. Pointon

arxiv:1910.04310 v1 · 2019-10-10 · 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{EKWZKLEMLHCWE66K44GNCJ4NQJ}

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	2026-07-05T00:25:17.661790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22ad952c8c59c5627bcae70cd1278d826082603d5fb0baee173bb2e49a3c38f7

Aliases

arxiv: 1910.04310 · arxiv_version: 1910.04310v1 · doi: 10.48550/arxiv.1910.04310 · pith_short_12: EKWZKLEMLHCW · pith_short_16: EKWZKLEMLHCWE66K · pith_short_8: EKWZKLEM

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/EKWZKLEMLHCWE66K44GNCJ4NQJ \
  | 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: 22ad952c8c59c5627bcae70cd1278d826082603d5fb0baee173bb2e49a3c38f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5378ee3a80fdb4a982787202344c17aab34d57f089c26735cf4ff993139709",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-10T00:47:37Z",
    "title_canon_sha256": "a05989c3a5d7fb586a09028ca31cd3991d53f060ef1cbc378d2d02bccba01c54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04310",
    "kind": "arxiv",
    "version": 1
  }
}