Pith Number

pith:K72RXQUZ

pith:2018:K72RXQUZK5P3RIHBYC6F2HAZO4

not attested not anchored not stored refs pending

The complete census of molecular hydrogen in a simulated disc galaxy

Joakim Rosdahl, Romain Teyssier, Sarah Nickerson

arxiv:1809.01657 v1 · 2018-09-05 · 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{K72RXQUZK5P3RIHBYC6F2HAZO4}

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	2026-05-17T23:56:17.990174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57f51bc299575fb8a0e1c0bc5d1c197728bf6aac2760fa3fc925604428d0b5cf

Aliases

arxiv: 1809.01657 · arxiv_version: 1809.01657v1 · doi: 10.48550/arxiv.1809.01657 · pith_short_12: K72RXQUZK5P3 · pith_short_16: K72RXQUZK5P3RIHB · pith_short_8: K72RXQUZ

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/K72RXQUZK5P3RIHBYC6F2HAZO4 \
  | 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: 57f51bc299575fb8a0e1c0bc5d1c197728bf6aac2760fa3fc925604428d0b5cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a78b4767af43374d2ccf328a580e914bb1585919280494f463bfd7afd30ec7d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-05T18:00:00Z",
    "title_canon_sha256": "71c405f77de891fc6b932ee6f95e100add1736b00c7427a32099b47a2dea3fe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01657",
    "kind": "arxiv",
    "version": 1
  }
}