Pith Number

pith:PAHWS4OJ

pith:2003:PAHWS4OJVMPX6DCQYEFGO44AYY

not attested not anchored not stored refs pending

Constraining photon-axion oscillations using quasar spectra

Ariel Goobar, Edvard Mortsell

arxiv:astro-ph/0303081 v1 · 2003-03-04 · 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{PAHWS4OJVMPX6DCQYEFGO44AYY}

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

Implications for dark energy of cosmic transparency in light of DESI data

Receipt and verification

First computed	2026-07-04T16:36:35.336389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

780f6971c9ab1f7f0c50c10a677380c600b3c4f17b4b9ddcd0284568d807c38f

Aliases

arxiv: astro-ph/0303081 · arxiv_version: astro-ph/0303081v1 · doi: 10.48550/arxiv.astro-ph/0303081 · pith_short_12: PAHWS4OJVMPX · pith_short_16: PAHWS4OJVMPX6DCQ · pith_short_8: PAHWS4OJ

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/PAHWS4OJVMPX6DCQYEFGO44AYY \
  | 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: 780f6971c9ab1f7f0c50c10a677380c600b3c4f17b4b9ddcd0284568d807c38f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f355ffa257e986dc7c27dc6cb077029156e357c1fe64b43eff2dcb8098ff6d6c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-04T15:32:28Z",
    "title_canon_sha256": "1edcf81020782b36798b7f1dcc0077c3a07c58ad8c3c69087ed070e20ecda9ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303081",
    "kind": "arxiv",
    "version": 1
  }
}