Pith Number

pith:HPP6ZOJR

pith:1997:HPP6ZOJRWMPZYUFQO7PDFVGQPB

not attested not anchored not stored refs pending

New Constraints on a Light Spinless Particle Coupled to Photons

Eduard Masso, Ramon Toldra

arxiv:hep-ph/9702275 v1 · 1997-02-06 · hep-ph · astro-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{HPP6ZOJRWMPZYUFQO7PDFVGQPB}

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.

Cited by

2 papers in Pith

Nucleosynthesis and CMB bounds on photophilic ALPs: a fresh look

The landscape of QCD axion models

Receipt and verification

First computed	2026-07-04T16:04:52.025953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bdfecb931b31f9c50b077de32d4d0787bd89be4ee9b7f71559451026543ffe8

Aliases

arxiv: hep-ph/9702275 · arxiv_version: hep-ph/9702275v1 · doi: 10.48550/arxiv.hep-ph/9702275 · pith_short_12: HPP6ZOJRWMPZ · pith_short_16: HPP6ZOJRWMPZYUFQ · pith_short_8: HPP6ZOJR

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/HPP6ZOJRWMPZYUFQO7PDFVGQPB \
  | 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: 3bdfecb931b31f9c50b077de32d4d0787bd89be4ee9b7f71559451026543ffe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6c19b56270855170a1fb31fc828613a088a94e58767facc656610531e2bba83",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1997-02-06T17:47:31Z",
    "title_canon_sha256": "496980172cb522f8c2bd8f9d2599a32ca5c45ba69733ce40638caa13554107b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9702275",
    "kind": "arxiv",
    "version": 1
  }
}