Pith Number

pith:XRQCBPUR

pith:2005:XRQCBPURJM7JZ6HZOY4YITSRZS

not attested not anchored not stored refs pending

The 7Be(d,p)2alpha cross section at Big Bang energies and the primordial 7Li abundance

A. Coc, A.S. Murphy, B.R. Fulton, C. Angulo, D. Cortina-Gil, E. Casarejos, E. Vangioni, F. Vanderbist, I. Mukha, J. Kiener, M. Couder, N.A. Orr, N.L. Achouri, P. Demaret, P. Figuera, P. Leleux, T. Davinson, V. Tatischeff

arxiv:astro-ph/0508454 v1 · 2005-08-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRQCBPURJM7JZ6HZOY4YITSRZS}

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	2026-07-04T17:15:02.604770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc6020be914b3e9cf8f97639844e51ccbb299172a69f7d0fd77bf1107c286769

Aliases

arxiv: astro-ph/0508454 · arxiv_version: astro-ph/0508454v1 · doi: 10.48550/arxiv.astro-ph/0508454 · pith_short_12: XRQCBPURJM7J · pith_short_16: XRQCBPURJM7JZ6HZ · pith_short_8: XRQCBPUR

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/XRQCBPURJM7JZ6HZOY4YITSRZS \
  | 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: bc6020be914b3e9cf8f97639844e51ccbb299172a69f7d0fd77bf1107c286769

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b53839d1dd4954002639ef04481766d7f29bb5a77e3393753eae9bfeaddad82",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-22T14:29:14Z",
    "title_canon_sha256": "2b73d2e31368a95d03fc4a8f5c73a8ed9cfcbaa019a09c99c74f03bb04c40306"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508454",
    "kind": "arxiv",
    "version": 1
  }
}