Pith Number

pith:EL3LXWP7

pith:2020:EL3LXWP7OPCN537UBEPDV3SNMG

not attested not anchored not stored refs pending

A comparison of $\text{H}_2$ formation models at high redshift

Aaron D. Ludlow, Alexander Sch\"abe, Cristiano Porciani, Emilio Romano-D\'iaz, Matteo Tomassetti

arxiv:2003.04329 v2 · 2020-03-09 · 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{EL3LXWP7OPCN537UBEPDV3SNMG}

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	2026-07-05T01:32:43.386844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22f6bbd9ff73c4deeff4091e3aee4d61ba7f4165b6cf3819828c489cb7658fdb

Aliases

arxiv: 2003.04329 · arxiv_version: 2003.04329v2 · doi: 10.48550/arxiv.2003.04329 · pith_short_12: EL3LXWP7OPCN · pith_short_16: EL3LXWP7OPCN537U · pith_short_8: EL3LXWP7

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/EL3LXWP7OPCN537UBEPDV3SNMG \
  | 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: 22f6bbd9ff73c4deeff4091e3aee4d61ba7f4165b6cf3819828c489cb7658fdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eea204b2b02be74a922754caea3a00c13860afc2d3f8b16efa1520ffd7d8ce6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-03-09T18:00:06Z",
    "title_canon_sha256": "ac96f9901b3e0c0e1d89c20140b9d694d43132dd75be7f3357100012938f7117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04329",
    "kind": "arxiv",
    "version": 2
  }
}