Pith Number

pith:O5B25YUH

pith:2026:O5B25YUH5Z7NDNQCDMFV2O5PB5

not attested not anchored not stored refs pending

From Pen to Palette: Mathematical Analysis of van Gogh's Psychological Trajectory

Anna Singley, Eli Goldwyn, Jessica Logue, Mark Pitzer

arxiv:2607.23457 v1 · 2026-07-26 · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5B25YUH5Z7NDNQCDMFV2O5PB5}

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	2026-07-28T01:22:53.612775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7743aee287ee7ed1b6021b0b5d3baf0f63bdf8984981916e8249f9f346a72b69

Aliases

arxiv: 2607.23457 · arxiv_version: 2607.23457v1 · doi: 10.48550/arxiv.2607.23457 · pith_short_12: O5B25YUH5Z7N · pith_short_16: O5B25YUH5Z7NDNQC · pith_short_8: O5B25YUH

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/O5B25YUH5Z7NDNQCDMFV2O5PB5 \
  | 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: 7743aee287ee7ed1b6021b0b5d3baf0f63bdf8984981916e8249f9f346a72b69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf3ee88547961e97cecd7abdddf3aca5a9253224e7dc7d04f90d8d0e7cdf2d21",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2026-07-26T04:40:08Z",
    "title_canon_sha256": "93b47951b5286535a2d7dac969d2607a4c65ad8527e865e0d28da102b8766890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23457",
    "kind": "arxiv",
    "version": 1
  }
}