Pith Number

pith:DNSOCG6S

pith:2010:DNSOCG6SJ7WB3J2DVCMXTRRBKR

not attested not anchored not stored refs pending

Varying alpha from N-body Simulations

Baojiu Li, David F. Mota, John D. Barrow

arxiv:1009.1396 v1 · 2010-09-07 · astro-ph.CO · hep-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{DNSOCG6SJ7WB3J2DVCMXTRRBKR}

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	2026-05-18T03:51:58.841124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b64e11bd24fec1da743a89979c6215469037dfbb92b39a1aafe2270170fc961

Aliases

arxiv: 1009.1396 · arxiv_version: 1009.1396v1 · doi: 10.48550/arxiv.1009.1396 · pith_short_12: DNSOCG6SJ7WB · pith_short_16: DNSOCG6SJ7WB3J2D · pith_short_8: DNSOCG6S

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/DNSOCG6SJ7WB3J2DVCMXTRRBKR \
  | 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: 1b64e11bd24fec1da743a89979c6215469037dfbb92b39a1aafe2270170fc961

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2bcda7191fbe47cba5127e83dc3f9dd19524ee82b767dded244d5e4fd51ff56",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-07T20:16:17Z",
    "title_canon_sha256": "324b84a05bc02f4fe5319d22318c50ba290080b3edaa282aedb1bad8179d68e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1396",
    "kind": "arxiv",
    "version": 1
  }
}