Pith Number

pith:MODYYXBK

pith:2013:MODYYXBK3BSKPFHWTJ7VSRM6YW

not attested not anchored not stored refs pending

New Limits on 21cm EoR From PAPER-32 Consistent with an X-Ray Heated IGM at z=7.7

Aaron R. Parsons, Adrian Liu, Chris L. Carilli, Daniel C. Jacobs, David F. Moore, David H. E. MacMahon, David R. DeBoer, Irina I. Stefan, James E. Aguirre, Jason R. Manley, Jonathan C. Pober, Matthew R. Dexter, Nicole E. Gugliucci, Pat Klima, Richard F. Bradley, William P. Walbrugh, Zaki S. Ali

arxiv:1304.4991 v4 · 2013-04-17 · astro-ph.CO · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MODYYXBK3BSKPFHWTJ7VSRM6YW}

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	2026-05-18T02:49:02.056593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63878c5c2ad864a794f69a7f59459ec5b157c39c250c1e8dcaa7eee203cef1f7

Aliases

arxiv: 1304.4991 · arxiv_version: 1304.4991v4 · doi: 10.48550/arxiv.1304.4991 · pith_short_12: MODYYXBK3BSK · pith_short_16: MODYYXBK3BSKPFHW · pith_short_8: MODYYXBK

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/MODYYXBK3BSKPFHWTJ7VSRM6YW \
  | 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: 63878c5c2ad864a794f69a7f59459ec5b157c39c250c1e8dcaa7eee203cef1f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c265648079cc097b513695adac234c150aac75ca088a544491b9025ec4e72775",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-17T23:56:11Z",
    "title_canon_sha256": "a9096d158cab9931f1c71155852dd8870783118bbc9f48eab4244ede2fb025aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4991",
    "kind": "arxiv",
    "version": 4
  }
}