Pith Number

pith:FDJFZHJM

pith:2010:FDJFZHJMUPEPHEPOJ3NIE4JW7K

not attested not anchored not stored refs pending

Photometric characterization of exoplanets using angular and spectral differential imaging

Anthony Boccaletti, Arthur Vigan, Claire Moutou, David Mouillet, France Allard, Isabelle Smith, Marcel Carbillet, Maud Langlois

arxiv:1004.4825 v2 · 2010-04-27 · astro-ph.IM · 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{FDJFZHJMUPEPHEPOJ3NIE4JW7K}

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	2026-05-18T02:07:45.938870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28d25c9d2ca3c8f391ee4eda827136faad29455ee7bf94c3ae8d6bc5176338f6

Aliases

arxiv: 1004.4825 · arxiv_version: 1004.4825v2 · doi: 10.48550/arxiv.1004.4825 · pith_short_12: FDJFZHJMUPEP · pith_short_16: FDJFZHJMUPEPHEPO · pith_short_8: FDJFZHJM

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/FDJFZHJMUPEPHEPOJ3NIE4JW7K \
  | 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: 28d25c9d2ca3c8f391ee4eda827136faad29455ee7bf94c3ae8d6bc5176338f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e61c76c2c8b6a4d18ebb3f764caade20e851daee20f19dc7c0874c70fe48d36",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-04-27T14:56:41Z",
    "title_canon_sha256": "6d5ef3bfafdd232e9e74bb98bc4ad9c5703eb76125796fdab7c1c2da0878029e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4825",
    "kind": "arxiv",
    "version": 2
  }
}