Pith Number

pith:M2GQIOQ2

pith:2019:M2GQIOQ2F27JTQE6TNN32JT6DG

not attested not anchored not stored refs pending

A new valuation on polyhedral cones

Hailun Zheng, Micha{\l} Zydor

arxiv:1901.07668 v1 · 2019-01-23 · 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{M2GQIOQ2F27JTQE6TNN32JT6DG}

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	2026-05-17T23:55:41.897180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

668d043a1a2ebe99c09e9b5bbd267e198503d3e77b50709fc5af02490866dab8

Aliases

arxiv: 1901.07668 · arxiv_version: 1901.07668v1 · doi: 10.48550/arxiv.1901.07668 · pith_short_12: M2GQIOQ2F27J · pith_short_16: M2GQIOQ2F27JTQE6 · pith_short_8: M2GQIOQ2

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/M2GQIOQ2F27JTQE6TNN32JT6DG \
  | 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: 668d043a1a2ebe99c09e9b5bbd267e198503d3e77b50709fc5af02490866dab8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "533e3f420455be2e3cde8f9a536271eed6611d3d6b7ad4f62eee8f5067f97491",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2019-01-23T00:52:10Z",
    "title_canon_sha256": "d0f1766a9edfa16c94e02d528766bbe7ebb6891798545c67e32941e6ea00bda1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07668",
    "kind": "arxiv",
    "version": 1
  }
}