Pith Number

pith:R4UWAIMW

pith:2018:R4UWAIMWRI5X5HA2VCNACPUCWG

not attested not anchored not stored refs pending

Triangulations and soliton graphs for totally positive Grassmannian

Rachel Karpman, Yuji Kodama

arxiv:1808.01587 v1 · 2018-08-05 · nlin.SI · hep-th · math-ph · math.CO · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4UWAIMWRI5X5HA2VCNACPUCWG}

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	2026-05-18T00:08:52.525460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f296021968a3b7e9c1aa89a013e82b1a221beb36a8177ae73024b6c4fe14eb1

Aliases

arxiv: 1808.01587 · arxiv_version: 1808.01587v1 · doi: 10.48550/arxiv.1808.01587 · pith_short_12: R4UWAIMWRI5X · pith_short_16: R4UWAIMWRI5X5HA2 · pith_short_8: R4UWAIMW

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/R4UWAIMWRI5X5HA2VCNACPUCWG \
  | 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: 8f296021968a3b7e9c1aa89a013e82b1a221beb36a8177ae73024b6c4fe14eb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65f46f6e6c0e43e78e0a2e5d2616aae9f58d3feab895c5ce4031654553cd8c07",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.CO",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2018-08-05T09:10:07Z",
    "title_canon_sha256": "3408f2856549f37378f5243c78ba84d50175e6583e3c80418d7ce17c4badc38c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01587",
    "kind": "arxiv",
    "version": 1
  }
}