Pith Number

pith:FWG5DKLA

pith:2015:FWG5DKLA6G76NIAANYYULNRCSX

not attested not anchored not stored refs pending

21CMMC: an MCMC analysis tool enabling astrophysical parameter studies of the cosmic 21 cm signal

Andrei Mesinger, Bradley Greig

arxiv:1501.06576 v2 · 2015-01-26 · 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{FWG5DKLA6G76NIAANYYULNRCSX}

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	2026-05-18T01:41:08.502987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d8dd1a960f1bfe6a0006e3145b62295cb4ca02cbe0cc58aeb43690528751451

Aliases

arxiv: 1501.06576 · arxiv_version: 1501.06576v2 · doi: 10.48550/arxiv.1501.06576 · pith_short_12: FWG5DKLA6G76 · pith_short_16: FWG5DKLA6G76NIAA · pith_short_8: FWG5DKLA

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/FWG5DKLA6G76NIAANYYULNRCSX \
  | 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: 2d8dd1a960f1bfe6a0006e3145b62295cb4ca02cbe0cc58aeb43690528751451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b59eb15bedf36004e8ec4390f86f3ff3e89a7bd3ffe65a1711fb8badb43934f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-01-26T21:00:12Z",
    "title_canon_sha256": "b0857a97715641d98a074abfd3950699629ff9d9b5eeb60d1e50073d7b7434c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06576",
    "kind": "arxiv",
    "version": 2
  }
}