Pith Number

pith:27YZUPQJ

pith:2025:27YZUPQJTR4664ALY54VHLF6AN

not attested not anchored not stored refs pending

Cosmological-model independent limits on photon mass from FRB and SNe data

Jailson Alcaniz, Joel Carvalho, Rodrigo Gon\c{c}alves, Thais Lemos

arxiv:2504.21129 v1 · 2025-04-29 · astro-ph.CO · astro-ph.HE · 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{27YZUPQJTR4664ALY54VHLF6AN}

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

1 paper in Pith

Constraining the Baryon Fraction in Extragalactic Diffuse Ionized Gas with 124 Localized Fast Radio Bursts

Receipt and verification

First computed	2026-07-05T10:55:57.752710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7f19a3e099c79ef700bc77953acbe03585218cae3f42d4d33bcde545ee534bf

Aliases

arxiv: 2504.21129 · arxiv_version: 2504.21129v1 · doi: 10.48550/arxiv.2504.21129 · pith_short_12: 27YZUPQJTR46 · pith_short_16: 27YZUPQJTR4664AL · pith_short_8: 27YZUPQJ

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/27YZUPQJTR4664ALY54VHLF6AN \
  | 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: d7f19a3e099c79ef700bc77953acbe03585218cae3f42d4d33bcde545ee534bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4026ced6796ae0fdf20d5d6a33256648abdb5fa3e446d9909bf439f6f825b9c5",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-04-29T19:24:29Z",
    "title_canon_sha256": "8998de22ff5a26672752d1834c48c190b596fb1b45b044275b63487cacfd016a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.21129",
    "kind": "arxiv",
    "version": 1
  }
}