Pith Number

pith:6LIP52KQ

pith:2013:6LIP52KQ27XXQWGVFFFNLDE2JE

not attested not anchored not stored refs pending

Optimized Principal Component Analysis on Coronagraphic Images of the Fomalhaut System

A. Amara, M. Kenworthy, S. P. Quanz, T. Meshkat

arxiv:1310.8577 v1 · 2013-10-31 · astro-ph.EP · 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{6LIP52KQ27XXQWGVFFFNLDE2JE}

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	2026-05-18T01:46:40.383984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2d0fee950d7ef7858d5294ad58c9a492a20498bf2fb6920fc50a03f0de2bdc4

Aliases

arxiv: 1310.8577 · arxiv_version: 1310.8577v1 · doi: 10.48550/arxiv.1310.8577 · pith_short_12: 6LIP52KQ27XX · pith_short_16: 6LIP52KQ27XXQWGV · pith_short_8: 6LIP52KQ

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/6LIP52KQ27XXQWGVFFFNLDE2JE \
  | 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: f2d0fee950d7ef7858d5294ad58c9a492a20498bf2fb6920fc50a03f0de2bdc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "117a4b81c6566518c8496cc97cd159212b92436d8de2229c09dda677d4c62d3e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-10-31T16:29:24Z",
    "title_canon_sha256": "df1862e4b57ac7eca916eaf10cd33b82d4f51f4cef466cf89b4893b02032e8c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8577",
    "kind": "arxiv",
    "version": 1
  }
}