Pith Number

pith:OOY3VPQI

pith:2016:OOY3VPQIJKBNDB33GDCAGK36XO

not attested not anchored not stored refs pending

Microlensing by single black-holes in the Galaxy

Krzysztof Rybicki, {\L}ukasz Wyrzykowski, Zuzanna Kostrzewa-Rutkowska

arxiv:1601.02830 v1 · 2016-01-12 · astro-ph.SR · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOY3VPQIJKBNDB33GDCAGK36XO}

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.

Receipt and verification

First computed	2026-05-18T01:22:59.512665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73b1babe084a82d1877b30c4032b7ebbb59b72ca62237706ce1a82e03bcdc809

Aliases

arxiv: 1601.02830 · arxiv_version: 1601.02830v1 · doi: 10.48550/arxiv.1601.02830 · pith_short_12: OOY3VPQIJKBN · pith_short_16: OOY3VPQIJKBNDB33 · pith_short_8: OOY3VPQI

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/OOY3VPQIJKBNDB33GDCAGK36XO \
  | 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: 73b1babe084a82d1877b30c4032b7ebbb59b72ca62237706ce1a82e03bcdc809

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad15c2aea55fb07bdaf690a0620a0d121151e1c7334a208839b3dc11df09bbe9",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-01-12T12:42:41Z",
    "title_canon_sha256": "8097917505836c103c688e2a927799231d4f7079d5ca11f7b99f35c1ccca9084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.02830",
    "kind": "arxiv",
    "version": 1
  }
}