Pith Number

pith:EDW3C7R7

pith:2014:EDW3C7R7AW35S6MC2ZGR452WQR

not attested not anchored not stored refs pending

Fundamental limitations of high contrast imaging set by small sample statistics

Anthony Boccaletti, Bertrand Mennesson, Christian Delacroix, Christian Marois, Didier Pelat, Dimitri Mawet, Julien Milli, Laurent Pueyo, Markus Kasper, Matthew Kenworthy, Olivier Absil, Zahed Wahhaj

arxiv:1407.2247 v1 · 2014-07-08 · 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{EDW3C7R7AW35S6MC2ZGR452WQR}

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	2026-05-18T01:42:40.714869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20edb17e3f05b7d97982d64d1e775684731b3bb0ab731df4b8b25264c18738ce

Aliases

arxiv: 1407.2247 · arxiv_version: 1407.2247v1 · doi: 10.48550/arxiv.1407.2247 · pith_short_12: EDW3C7R7AW35 · pith_short_16: EDW3C7R7AW35S6MC · pith_short_8: EDW3C7R7

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/EDW3C7R7AW35S6MC2ZGR452WQR \
  | 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: 20edb17e3f05b7d97982d64d1e775684731b3bb0ab731df4b8b25264c18738ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d13bc4107da4dcb86d28d9ae3b713efc368af4c8efecbce8f865e3c46d0b6ea2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-07-08T20:00:05Z",
    "title_canon_sha256": "76a34e36db18c6b5f776f553640570f8bfcbcdb6b74f26f283fe9d3672b70401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2247",
    "kind": "arxiv",
    "version": 1
  }
}