Pith Number

pith:O2PPOL5S

pith:2024:O2PPOL5SKSI6LEKX3LVHHBMXWG

not attested not anchored not stored refs pending

Region-Aware Color Smudging

Congyi Zhang, Henry Lau, Hongbo Fu, Pengfei Xu, Wenping Wang, Ying Jiang

arxiv:2405.02759 v1 · 2024-05-04 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2PPOL5SKSI6LEKX3LVHHBMXWG}

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	2026-07-05T08:15:53.347026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

769ef72fb25491e59157daea738597b19358711819851e29d15ae2192cb1d417

Aliases

arxiv: 2405.02759 · arxiv_version: 2405.02759v1 · doi: 10.48550/arxiv.2405.02759 · pith_short_12: O2PPOL5SKSI6 · pith_short_16: O2PPOL5SKSI6LEKX · pith_short_8: O2PPOL5S

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/O2PPOL5SKSI6LEKX3LVHHBMXWG \
  | 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: 769ef72fb25491e59157daea738597b19358711819851e29d15ae2192cb1d417

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64ac76aeebac93deaed47e4bb509dafaab9a0c85f37cf134cd3e607a03df62b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2024-05-04T21:35:48Z",
    "title_canon_sha256": "f960ccca7a59dd318dfb7e2d8d59cba0353f0fa19680d5450c91335d4e21690c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.02759",
    "kind": "arxiv",
    "version": 1
  }
}