Pith Number

pith:HZDPNVGC

pith:2013:HZDPNVGCYL4Y72LQAH645DRJPD

not attested not anchored not stored refs pending

Molecular hydrogen regulated star formation in cosmological SPH simulations

Jason Jaacks, Jun-Hwan Choi, Kentaro Nagamine, Robert Thompson

arxiv:1301.0063 v2 · 2013-01-01 · 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{HZDPNVGCYL4Y72LQAH645DRJPD}

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	2026-05-18T01:52:22.431603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e46f6d4c2c2f98fe97001fdce8e2978e748c550d90c369d8a40502efeaa961a

Aliases

arxiv: 1301.0063 · arxiv_version: 1301.0063v2 · doi: 10.48550/arxiv.1301.0063 · pith_short_12: HZDPNVGCYL4Y · pith_short_16: HZDPNVGCYL4Y72LQ · pith_short_8: HZDPNVGC

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/HZDPNVGCYL4Y72LQAH645DRJPD \
  | 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: 3e46f6d4c2c2f98fe97001fdce8e2978e748c550d90c369d8a40502efeaa961a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91fe74c7b150a3548a2450e40d8dc3788847f00a5d6bd3a2067704c4f4e7b6c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-01T06:57:12Z",
    "title_canon_sha256": "ed64ecf9d5d577cefd41369e6bd53cba67e91a45025e4bf4c4b41cbd67dc47da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0063",
    "kind": "arxiv",
    "version": 2
  }
}