Pith Number

pith:XXPF5N37

pith:2018:XXPF5N37WW4XH23YFUL4JTWDAH

not attested not anchored not stored refs pending

Strong Constraints on Fuzzy Dark Matter from Ultrafaint Dwarf Galaxy Eridanus II

David J. E. Marsh, Jens C. Niemeyer

arxiv:1810.08543 v2 · 2018-10-19 · astro-ph.CO · astro-ph.GA · 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{XXPF5N37WW4XH23YFUL4JTWDAH}

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

4 papers in Pith

Lyman-$\alpha$ forest constraints on pure and mixed fuzzy dark matter

Precision Solar System Dynamics for Ultralight Dark Matter Search

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

Constraints on Self-Interacting Fuzzy Dark Matter from the Stellar Kinematics of the Dwarf Galaxy Leo II

Receipt and verification

First computed	2026-07-04T23:51:57.926903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdde5eb77fb5b973eb782d17c4cec301c7015adaf082632513ecd32719ffb358

Aliases

arxiv: 1810.08543 · arxiv_version: 1810.08543v2 · doi: 10.48550/arxiv.1810.08543 · pith_short_12: XXPF5N37WW4X · pith_short_16: XXPF5N37WW4XH23Y · pith_short_8: XXPF5N37

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/XXPF5N37WW4XH23YFUL4JTWDAH \
  | 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: bdde5eb77fb5b973eb782d17c4cec301c7015adaf082632513ecd32719ffb358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b6909475173b5551ae65fa694f8eeac111f592b56d5f8300ce7e52c28738e54",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-10-19T15:15:31Z",
    "title_canon_sha256": "0815fb3da864614e23160605e26c4d51b0d935be0dd4fc1d480be8b9c640376a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08543",
    "kind": "arxiv",
    "version": 2
  }
}