Pith Number

pith:2IFSQO3G

pith:2006:2IFSQO3GRLZZL4QFBTLTLBEXOM

not attested not anchored not stored refs pending

Identification of the Microlens in Event MACHO-LMC-20

Brian M. Patten (1), Charles Alcock (1), Giovanni G. Fazio (1) ((1) CfA (2) JPL), Massimo Marengo (1), Michael W. Werner (2), Nitya Kallivayalil (1)

arxiv:astro-ph/0609619 v1 · 2006-09-21 · astro-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{2IFSQO3GRLZZL4QFBTLTLBEXOM}

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

1 paper in Pith

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

Receipt and verification

First computed	2026-05-18T03:51:46.167429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d20b283b668af395f2050cd73584977308289d54de652b0c7a8e043690f5d520

Aliases

arxiv: astro-ph/0609619 · arxiv_version: astro-ph/0609619v1 · doi: 10.48550/arxiv.astro-ph/0609619 · pith_short_12: 2IFSQO3GRLZZ · pith_short_16: 2IFSQO3GRLZZL4QF · pith_short_8: 2IFSQO3G

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/2IFSQO3GRLZZL4QFBTLTLBEXOM \
  | 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: d20b283b668af395f2050cd73584977308289d54de652b0c7a8e043690f5d520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c779de0c4479e52d18b1b534f51cf98056978f6f6b4615d692dfe1696d606f3d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-21T20:11:59Z",
    "title_canon_sha256": "bdbe01f0b26e5137e84a2318310ef8d7c478af59e18ae8395b4d9bdd21a30185"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609619",
    "kind": "arxiv",
    "version": 1
  }
}