Pith Number

pith:JFLQNEM5

pith:2012:JFLQNEM5EBJXPMAAZYCGCM4PSO

not attested not anchored not stored refs pending

Reionization on Large Scales I: A Parametric Model Constructed from Radiation-Hydrodynamic Simulations

Abraham Loeb (Harvard), Hy Trac (CMU), Nick Battaglia (CMU), Renyue Cen (Princeton)

arxiv:1211.2821 v1 · 2012-11-12 · 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{JFLQNEM5EBJXPMAAZYCGCM4PSO}

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	2026-05-18T01:53:16.484709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

495706919d205377b000ce0461338f9390cf55a84869a3c3c4d0161fb606eb68

Aliases

arxiv: 1211.2821 · arxiv_version: 1211.2821v1 · doi: 10.48550/arxiv.1211.2821 · pith_short_12: JFLQNEM5EBJX · pith_short_16: JFLQNEM5EBJXPMAA · pith_short_8: JFLQNEM5

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/JFLQNEM5EBJXPMAAZYCGCM4PSO \
  | 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: 495706919d205377b000ce0461338f9390cf55a84869a3c3c4d0161fb606eb68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8ff05140a2ad24c7765197098269ed631daeefa35a084343b548538d1b6f4b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-12T21:02:49Z",
    "title_canon_sha256": "0fbcf413253e8f9b8a2a992a74ac69459423127b628f801475c51317e1b64d2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2821",
    "kind": "arxiv",
    "version": 1
  }
}