Pith Number

pith:4DIWYTX2

pith:2012:4DIWYTX2XDKAHB2GUO7EG5OQWK

not attested not anchored not stored refs pending

New constraints on very light pseudoscalars

A. Payez, D. Hutsem\'ekers, J. R. Cudell

arxiv:1204.6614 v1 · 2012-04-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DIWYTX2XDKAHB2GUO7EG5OQWK}

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	2026-05-18T03:56:44.326427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0d16c4efab8d4038746a3be4375d0b2b58ab4ff5e98faa8bc58d303acfad2eb

Aliases

arxiv: 1204.6614 · arxiv_version: 1204.6614v1 · doi: 10.48550/arxiv.1204.6614 · pith_short_12: 4DIWYTX2XDKA · pith_short_16: 4DIWYTX2XDKAHB2G · pith_short_8: 4DIWYTX2

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/4DIWYTX2XDKAHB2GUO7EG5OQWK \
  | 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: e0d16c4efab8d4038746a3be4375d0b2b58ab4ff5e98faa8bc58d303acfad2eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec6f7f9092602bc8197865069e30dad0cfa5df12dc191f2697917e6145236317",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-30T12:43:44Z",
    "title_canon_sha256": "76029634769ae473da8a886779e8ed9659f614e38b35cf2f06adf9eb4424ee4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6614",
    "kind": "arxiv",
    "version": 1
  }
}