Pith Number

pith:Y7ZDSOYC

pith:2021:Y7ZDSOYCEJZ7NLAICHHZNZXEGL

not attested not anchored not stored refs pending

Constraining Ultralight Axions with Galaxy Surveys

Alex Lagu\"e, Daniel Grin, David J. E. Marsh, J. Richard Bond, Keir K. Rogers, Ren\'ee Hlo\v{z}ek

arxiv:2104.07802 v3 · 2021-04-15 · 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{Y7ZDSOYCEJZ7NLAICHHZNZXEGL}

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

Tracing Ultra Light Axions in Post-reionization, Lyman-$\alpha$ and CMB Missions

The Atacama Cosmology Telescope: Probing new signatures of ultralight axions with gravitational lensing

Receipt and verification

First computed	2026-07-05T03:52:56.999969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7f2393b022273f6ac0811cf96e6e432c134102be6847e269831862592ecebbb

Aliases

arxiv: 2104.07802 · arxiv_version: 2104.07802v3 · doi: 10.48550/arxiv.2104.07802 · pith_short_12: Y7ZDSOYCEJZ7 · pith_short_16: Y7ZDSOYCEJZ7NLAI · pith_short_8: Y7ZDSOYC

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/Y7ZDSOYCEJZ7NLAICHHZNZXEGL \
  | 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: c7f2393b022273f6ac0811cf96e6e432c134102be6847e269831862592ecebbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48a66b00bd8e870a794fb6fd0710dcad5059f91c3ec27279519b9b79dd41da6f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-04-15T22:20:01Z",
    "title_canon_sha256": "ed8442be7199fcc3d57aea9aa6d1d00b4e4ac80ff9bfd4b81612711a38814264"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07802",
    "kind": "arxiv",
    "version": 3
  }
}