Pith Number

pith:SY5YYMTO

pith:2012:SY5YYMTOD6MU2UTKC7EVQICIKS

not attested not anchored not stored refs pending

Direct imaging constraints on planet populations detected by microlensing

(2) Universite de Montreal, (3) Steward Observatory), David Lafreniere (2), Esther Buenzli (3) ((1) ETH Zurich, Maddalena M. Reggiani (1), Michael R. Meyer (1), Sascha P. Quanz (1)

arxiv:1203.3647 v1 · 2012-03-16 · astro-ph.GA · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SY5YYMTOD6MU2UTKC7EVQICIKS}

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	2026-05-18T01:58:08.072873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

963b8c326e1f994d526a17c95820485499cab6d19770a9c909400751e05b691a

Aliases

arxiv: 1203.3647 · arxiv_version: 1203.3647v1 · doi: 10.48550/arxiv.1203.3647 · pith_short_12: SY5YYMTOD6MU · pith_short_16: SY5YYMTOD6MU2UTK · pith_short_8: SY5YYMTO

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/SY5YYMTOD6MU2UTKC7EVQICIKS \
  | 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: 963b8c326e1f994d526a17c95820485499cab6d19770a9c909400751e05b691a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d15ac6f7d43304d39efe4c0dc36b57ebed72d05f190d03342fad678c7c7b5dd0",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-03-16T09:43:54Z",
    "title_canon_sha256": "aff0b02fe2c528fa3e9e114403b06025b4b1e1d1c8847e7540bd8ad5df28b77a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3647",
    "kind": "arxiv",
    "version": 1
  }
}