Pith Number

pith:7RS5E2XM

pith:2019:7RS5E2XMCRXHA7U7LLBAS2BE52

not attested not anchored not stored refs pending

Constraints on Earth-mass primordial black holes from OGLE 5-year microlensing events

Hiroko Niikura, Masahiro Takada, Shogo Masaki, Shuichiro Yokoyama, Takahiro Sumi

arxiv:1901.07120 v2 · 2019-01-21 · 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{7RS5E2XMCRXHA7U7LLBAS2BE52}

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

13 papers in Pith

Imprints of energy injection by compact dark stars in the 21-cm signal

GW231123: A Possible Primordial Black Hole Origin

Primordial Black Holes as Dark Matter: Recent Developments

Stellar microlensing surveys as a probe of Primordial Black Holes: status and prospects

Shadows of Giants: Constraints on Stupendously Large Black Holes from Negative Sources against the Cosmic Microwave Background

Receipt and verification

First computed	2026-05-17T23:48:04.616627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc65d26aec146e707e9f5ac2096824eeb65ebee809d2e825fe43c2cffb0a0c13

Aliases

arxiv: 1901.07120 · arxiv_version: 1901.07120v2 · doi: 10.48550/arxiv.1901.07120 · pith_short_12: 7RS5E2XMCRXH · pith_short_16: 7RS5E2XMCRXHA7U7 · pith_short_8: 7RS5E2XM

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/7RS5E2XMCRXHA7U7LLBAS2BE52 \
  | 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: fc65d26aec146e707e9f5ac2096824eeb65ebee809d2e825fe43c2cffb0a0c13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e599787ff99bf554c0c851681fccace981e865a7552876c4338cec89a9500c23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-01-21T23:39:22Z",
    "title_canon_sha256": "2a5462c850824918edaef625cdc8c32492773420f1f0ec4f6915e2adce3b0e46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07120",
    "kind": "arxiv",
    "version": 2
  }
}