Pith Number

pith:LGQEUKPE

pith:2005:LGQEUKPERHVJG5TMWTYGEDGO2V

not attested not anchored not stored refs pending

The axis of evil

Joao Magueijo, Kate Land

arxiv:astro-ph/0502237 v2 · 2005-02-11 · astro-ph · gr-qc · 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{LGQEUKPERHVJG5TMWTYGEDGO2V}

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	2026-07-04T16:50:48.540773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59a04a29e489ea93766cb4f0620cced54c1393dd0a7ce650b39dd961d1d52aa9

Aliases

arxiv: astro-ph/0502237 · arxiv_version: astro-ph/0502237v2 · doi: 10.48550/arxiv.astro-ph/0502237 · pith_short_12: LGQEUKPERHVJ · pith_short_16: LGQEUKPERHVJG5TM · pith_short_8: LGQEUKPE

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/LGQEUKPERHVJG5TMWTYGEDGO2V \
  | 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: 59a04a29e489ea93766cb4f0620cced54c1393dd0a7ce650b39dd961d1d52aa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76759eb87147fecf34c4bea1b9035d09dd48a715365ec4d56ebe098776508017",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-11T12:10:56Z",
    "title_canon_sha256": "246202279ca60fc7dcef4609801df9efeb3e8268106dab06d9577e35d31da4b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502237",
    "kind": "arxiv",
    "version": 2
  }
}