Pith Number

pith:UQHIRYZM

pith:2021:UQHIRYZMSHWJOKALH2IXTP4XBH

not attested not anchored not stored refs pending

Narrowing the mass range of Fuzzy Dark Matter with Ultra-faint Dwarfs

Elisa G. M. Ferreira, Hei Yin Jowett Chan, Kohei Hayashi

arxiv:2102.05300 v2 · 2021-02-10 · 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{UQHIRYZMSHWJOKALH2IXTP4XBH}

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

3 papers in Pith

Growth of Structure in Multi-species Wave Dark Matter

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

Tunneling and tidal stripping in multifield ultralight dark matter halos

Receipt and verification

First computed	2026-07-05T02:37:35.997970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a40e88e32c91ec97280b3e9179bf9709f404cded12107520c22e02a9278237a5

Aliases

arxiv: 2102.05300 · arxiv_version: 2102.05300v2 · doi: 10.48550/arxiv.2102.05300 · pith_short_12: UQHIRYZMSHWJ · pith_short_16: UQHIRYZMSHWJOKAL · pith_short_8: UQHIRYZM

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/UQHIRYZMSHWJOKALH2IXTP4XBH \
  | 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: a40e88e32c91ec97280b3e9179bf9709f404cded12107520c22e02a9278237a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a46438f832b93cecba0a06e2099dca9303227cbc923c20f2fbd64237ed518e2c",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-02-10T07:51:13Z",
    "title_canon_sha256": "7b572af19f837691f0d46798f47a86c585a010de1ee705e2aacd93772188df55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.05300",
    "kind": "arxiv",
    "version": 2
  }
}