Pith Number

pith:KFFQRV6R

pith:2002:KFFQRV6RFLS2WIAMZZSL3S6PA5

not attested not anchored not stored refs pending

alpha :a constant that is not a constant?

B. Ricci, G. Fiorentini

arxiv:astro-ph/0207390 v1 · 2002-07-18 · astro-ph · hep-ph · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFFQRV6RFLS2WIAMZZSL3S6PA5}

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	2026-07-04T16:30:23.783118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

514b08d7d12ae5ab200cce64bdcbcf077c36a9c68cc7b566bfd6471defbcd63c

Aliases

arxiv: astro-ph/0207390 · arxiv_version: astro-ph/0207390v1 · doi: 10.48550/arxiv.astro-ph/0207390 · pith_short_12: KFFQRV6RFLS2 · pith_short_16: KFFQRV6RFLS2WIAM · pith_short_8: KFFQRV6R

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/KFFQRV6RFLS2WIAMZZSL3S6PA5 \
  | 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: 514b08d7d12ae5ab200cce64bdcbcf077c36a9c68cc7b566bfd6471defbcd63c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ed5c300395e9dc69da3760d3cda62196d8bc88411131db34df5ed7320d111a8",
    "cross_cats_sorted": [
      "hep-ph",
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-18T15:41:25Z",
    "title_canon_sha256": "7b1f45e2e26dfe43031c14504092bc201a486ec32469645e2fa1c93d61516790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207390",
    "kind": "arxiv",
    "version": 1
  }
}