Pith Number

pith:4VXMSQTC

pith:2017:4VXMSQTCDFJEAPEBO74QX4PT2W

not attested not anchored not stored refs pending

Incidence geometry and universality in the tropical plane

Catherine Lee, Dhruv Ranganathan, Michelle Jones, Milo Brandt

arxiv:1709.00366 v2 · 2017-09-01 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VXMSQTCDFJEAPEBO74QX4PT2W}

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	2026-05-17T23:50:38.863741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56ec942621952403c8177f90bf1f3d59b4a339943b618770ed17daad3d70540

Aliases

arxiv: 1709.00366 · arxiv_version: 1709.00366v2 · doi: 10.48550/arxiv.1709.00366 · pith_short_12: 4VXMSQTCDFJE · pith_short_16: 4VXMSQTCDFJEAPEB · pith_short_8: 4VXMSQTC

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/4VXMSQTCDFJEAPEBO74QX4PT2W \
  | 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: e56ec942621952403c8177f90bf1f3d59b4a339943b618770ed17daad3d70540

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdcdee25ab23c1b5701200d6d2e0a383437cb388250455c35ad0eabcc7292d24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-09-01T15:34:32Z",
    "title_canon_sha256": "4f32971f5c46aab311c91919c6ef6b422a94a566e8ba5d3b6a66721986d9640c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00366",
    "kind": "arxiv",
    "version": 2
  }
}