Pith Number

pith:2MRVULJI

pith:2016:2MRVULJIOHG5G4CMGCYQJCFRZV

not attested not anchored not stored refs pending

Constrained Triangulations, Volumes of Polytopes, and Unit Equations

Mario Weitzer, Michael Kerber, Robert Tichy

arxiv:1609.05017 v3 · 2016-09-16 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MRVULJIOHG5G4CMGCYQJCFRZV}

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	2026-05-18T00:21:46.743500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3235a2d2871cdd3704c30b10488b1cd529c74de1a48024e57da0bf1955a2221

Aliases

arxiv: 1609.05017 · arxiv_version: 1609.05017v3 · doi: 10.48550/arxiv.1609.05017 · pith_short_12: 2MRVULJIOHG5 · pith_short_16: 2MRVULJIOHG5G4CM · pith_short_8: 2MRVULJI

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/2MRVULJIOHG5G4CMGCYQJCFRZV \
  | 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: d3235a2d2871cdd3704c30b10488b1cd529c74de1a48024e57da0bf1955a2221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "441f2204e70d09327bbb94480fdfe6f08132eb87de107a7bc7f781fb9a46f320",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2016-09-16T12:10:22Z",
    "title_canon_sha256": "ff4e119da4aeb733f2f8361c350396bfdd4ef7ca421bca5177b4ef58467cc630"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05017",
    "kind": "arxiv",
    "version": 3
  }
}