Pith Number

pith:JTFGY5NR

pith:2018:JTFGY5NRHSB3FMW5AQVIDM3PEP

not attested not anchored not stored refs pending

An Algorithm for the Tropical Realizability Problem for Families of Curves

Paolo Tripoli

arxiv:1803.04491 v1 · 2018-03-12 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JTFGY5NRHSB3FMW5AQVIDM3PEP}

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	2026-05-18T00:21:18.886799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cca6c75b13c83b2b2dd042a81b36f23cd224c06225c269ac5c272f07b9308ce

Aliases

arxiv: 1803.04491 · arxiv_version: 1803.04491v1 · doi: 10.48550/arxiv.1803.04491 · pith_short_12: JTFGY5NRHSB3 · pith_short_16: JTFGY5NRHSB3FMW5 · pith_short_8: JTFGY5NR

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/JTFGY5NRHSB3FMW5AQVIDM3PEP \
  | 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: 4cca6c75b13c83b2b2dd042a81b36f23cd224c06225c269ac5c272f07b9308ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6db66cdece0622cab42d207340eea0804cd0e6227b2d0d420bda5ffa726b9a8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-03-12T19:49:01Z",
    "title_canon_sha256": "cdcf3fafc7675a56b10409b9bc943f0437a91a9ae43caaa3e2640917b673c5ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04491",
    "kind": "arxiv",
    "version": 1
  }
}