Pith Number

pith:XV2XQSH7

pith:2015:XV2XQSH7XVVIYWFST6GHCZKT4A

not attested not anchored not stored refs pending

Predicting exoplanet observability in time, contrast, separation and polarization, in scattered light

Guillaume Schworer, Peter G. Tuthill

arxiv:1505.03082 v1 · 2015-05-12 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XV2XQSH7XVVIYWFST6GHCZKT4A}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:14:09.035337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd757848ffbd6a8c58b29f8c716553e01bcdfbc99e4288261659977ac547ffc1

Aliases

arxiv: 1505.03082 · arxiv_version: 1505.03082v1 · doi: 10.48550/arxiv.1505.03082 · pith_short_12: XV2XQSH7XVVI · pith_short_16: XV2XQSH7XVVIYWFS · pith_short_8: XV2XQSH7

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/XV2XQSH7XVVIYWFST6GHCZKT4A \
  | 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: bd757848ffbd6a8c58b29f8c716553e01bcdfbc99e4288261659977ac547ffc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e280244b01241f8d092d1539add3d87c0d0436f319d2697ee91c42e427cd15c3",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-05-12T16:36:01Z",
    "title_canon_sha256": "13895dbf35dbcdc5421d555ef4b16a93c35a77ef29e76fe123f7f7d71eef9010"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03082",
    "kind": "arxiv",
    "version": 1
  }
}