Pith Number

pith:7WQQDEV3

pith:2012:7WQQDEV3UE5WG26D3AOA66MRLL

not attested not anchored not stored refs pending

Derivative Chameleons

Johannes Noller

arxiv:1203.6639 v1 · 2012-03-29 · gr-qc · astro-ph.CO · hep-ph · hep-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{7WQQDEV3UE5WG26D3AOA66MRLL}

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	2026-05-18T03:51:35.277428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fda10192bba13b636bc3d81c0f79915af075227c7d9b84f06b784336e923f786

Aliases

arxiv: 1203.6639 · arxiv_version: 1203.6639v1 · doi: 10.48550/arxiv.1203.6639 · pith_short_12: 7WQQDEV3UE5W · pith_short_16: 7WQQDEV3UE5WG26D · pith_short_8: 7WQQDEV3

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/7WQQDEV3UE5WG26D3AOA66MRLL \
  | 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: fda10192bba13b636bc3d81c0f79915af075227c7d9b84f06b784336e923f786

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f9926a5c19605995ccb93c8f780e31fd04892b40eb828f4ab18b93c4c1b6df2",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-29T19:32:34Z",
    "title_canon_sha256": "36bae4e1124ed476690669845dc7d25286765213b5cbff671bf476cfa14dcedc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6639",
    "kind": "arxiv",
    "version": 1
  }
}