Pith Number

pith:U2GC7ALO

pith:2012:U2GC7ALOFX46TGYDCWT2QI65MV

not attested not anchored not stored refs pending

Detection and Characterization of Exoplanets and Disks using Projections on Karhunen-Loeve Eigenimages

James Larkin, Laurent Pueyo, Remi Soummer

arxiv:1207.4197 v1 · 2012-07-17 · 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{U2GC7ALOFX46TGYDCWT2QI65MV}

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	2026-05-18T01:56:17.155031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68c2f816e2df9e99b0315a7a823dd6577ac39a48f391f4b21fd432d38b3eb71

Aliases

arxiv: 1207.4197 · arxiv_version: 1207.4197v1 · doi: 10.48550/arxiv.1207.4197 · pith_short_12: U2GC7ALOFX46 · pith_short_16: U2GC7ALOFX46TGYD · pith_short_8: U2GC7ALO

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/U2GC7ALOFX46TGYDCWT2QI65MV \
  | 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: a68c2f816e2df9e99b0315a7a823dd6577ac39a48f391f4b21fd432d38b3eb71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9764ebdd04528e7f1b4368a3cf6b6124651cdb2e685068831e2b00b109ff11c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-17T20:00:29Z",
    "title_canon_sha256": "56ff3f351d6d076de2b16d47d647a6274511b5669ec86eab1d81c81ccc997345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4197",
    "kind": "arxiv",
    "version": 1
  }
}