Pith Number

pith:NB4J6CQV

pith:2019:NB4J6CQVAKO7QMZPCK4SUR2L6B

not attested not anchored not stored refs pending

Interacting galaxies on FIRE-2: The connection between enhanced star formation and interstellar gas content

Asa A. F. Bluck, Christopher C. Hayward, David R. Patton, Desika Narayanan, Dusan Keres, Jorge Moreno, Lars Hernquist, Michael Bueno, Paul Torrey, Phillip F. Hopkins, Sara L. Ellison

arxiv:1902.02305 v1 · 2019-02-06 · 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{NB4J6CQVAKO7QMZPCK4SUR2L6B}

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	2026-05-17T23:53:20.474832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68789f0a15029df8332f12b92a474bf0763347af18e3abfef22128f94babf7f9

Aliases

arxiv: 1902.02305 · arxiv_version: 1902.02305v1 · doi: 10.48550/arxiv.1902.02305 · pith_short_12: NB4J6CQVAKO7 · pith_short_16: NB4J6CQVAKO7QMZP · pith_short_8: NB4J6CQV

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/NB4J6CQVAKO7QMZPCK4SUR2L6B \
  | 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: 68789f0a15029df8332f12b92a474bf0763347af18e3abfef22128f94babf7f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75b33af0e2583262d5e679eac0a51043b2af717fdd8a65c4aa4fd36517f1f39c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-06T18:00:33Z",
    "title_canon_sha256": "64eeecc17b416f506925760f96a75b64fcf7a39ddbffc5d757b0d8da621dd3da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02305",
    "kind": "arxiv",
    "version": 1
  }
}