Pith Number

pith:WRAX66M7

pith:2011:WRAX66M7SBQ3TTORL5HCII6AYV

not attested not anchored not stored refs pending

An MCMC approach to extracting the global 21-cm signal during the cosmic dawn from sky-averaged radio observations

(2) Harvard-Smithsonian Center for Astrophysics, 3), (3) NASA Lunar Science Institute, (4) Arizona State University, AZ, Cambridge, Geraint J. A. Harker (1, Jack O. Burns (1, Jonathan R. Pritchard (2), Judd D. Bowman (4) ((1) Center for Astrophysics, MA, School of Earth, Space Astronomy, Space Exploration, Tempe, University of Colorado Boulder, USA, USA)

arxiv:1107.3154 v2 · 2011-07-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRAX66M7SBQ3TTORL5HCII6AYV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:10:23.300260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4417f799f9061b9cdd15f4e2423c0c5697b07110cc043db118cfd5538aae986

Aliases

arxiv: 1107.3154 · arxiv_version: 1107.3154v2 · doi: 10.48550/arxiv.1107.3154 · pith_short_12: WRAX66M7SBQ3 · pith_short_16: WRAX66M7SBQ3TTOR · pith_short_8: WRAX66M7

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/WRAX66M7SBQ3TTORL5HCII6AYV \
  | 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: b4417f799f9061b9cdd15f4e2423c0c5697b07110cc043db118cfd5538aae986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6187fa9ecc2a37a9c55d87ebe187081a073b8bd640f7a861856d0e4f443a7d3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-15T20:00:26Z",
    "title_canon_sha256": "80104056004dbaf99f79b3b277927e10a528cbc8503e8ec49e1bf49946dd24ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3154",
    "kind": "arxiv",
    "version": 2
  }
}