Pith Number

pith:7RURYMMU

pith:2017:7RURYMMUEXUGWZ5KDUQNX2JNPI

not attested not anchored not stored refs pending

Primordial Black Holes as Dark Matter: Constraints From Compact Ultra-Faint Dwarfs

Eugene Vasiliev, Qirong Zhu, Yipeng Jing, Yuexing Li

arxiv:1710.05032 v1 · 2017-10-13 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7RURYMMUEXUGWZ5KDUQNX2JNPI}

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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

CMB constraints on ultra-light primordial black holes with extended mass distributions

Receipt and verification

First computed	2026-05-18T00:25:16.794384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc691c319425e86b67aa1d20dbe92d7a3f4c6a2251aa53f13895688b451e4a02

Aliases

arxiv: 1710.05032 · arxiv_version: 1710.05032v1 · doi: 10.48550/arxiv.1710.05032 · pith_short_12: 7RURYMMUEXUG · pith_short_16: 7RURYMMUEXUGWZ5K · pith_short_8: 7RURYMMU

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/7RURYMMUEXUGWZ5KDUQNX2JNPI \
  | 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: fc691c319425e86b67aa1d20dbe92d7a3f4c6a2251aa53f13895688b451e4a02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87c123fc22aa2a210acc6720bbdf11fa3c64e30376180ba03955fd2e985ba3b2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-10-13T18:00:05Z",
    "title_canon_sha256": "136808df4a887539013fa5535734e6ea9a5a2aa664f5a37255fb1949154df838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05032",
    "kind": "arxiv",
    "version": 1
  }
}