Pith Number

pith:56PJEER4

pith:2016:56PJEER47VMGAWK75BAA3UCN7S

not attested not anchored not stored refs pending

First Connection between Cold Gas in Emission and Absorption: CO Emission from a Galaxy-Quasar Pair

(2) ESO (3) NCRA/TIFR (4) DARK (5) Geneva (6) AAO), E. van Kampen (2), J.P.U. Fynbo (4), J.X. Prochaska (1), L. Christensen (4), M.A. Zwaan (2), M. Dessauges-Zavadsky (5), M. Neeleman (1), N. Kanekar (3), P. M{\o}ller (2), T. Zafar (6) ((1) UCSC

arxiv:1604.05720 v1 · 2016-04-19 · 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{56PJEER47VMGAWK75BAA3UCN7S}

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	2026-05-18T01:16:12.670552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9e92123cfd5860595fe8400dd04dfcbada5baa07158d461b6d9f0354e6e1e4

Aliases

arxiv: 1604.05720 · arxiv_version: 1604.05720v1 · doi: 10.48550/arxiv.1604.05720 · pith_short_12: 56PJEER47VMG · pith_short_16: 56PJEER47VMGAWK7 · pith_short_8: 56PJEER4

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/56PJEER47VMGAWK75BAA3UCN7S \
  | 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: ef9e92123cfd5860595fe8400dd04dfcbada5baa07158d461b6d9f0354e6e1e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c38a7e0375389d82a838bedd66c24e69854debe4ef0f13e0dfa3a96c047dbaa7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-19T20:00:01Z",
    "title_canon_sha256": "27886248c5de06ec63f7fc6ed052084b5d1038440f61014a936c671a68d3bfde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05720",
    "kind": "arxiv",
    "version": 1
  }
}