Pith Number

pith:B76UO4L2

pith:2016:B76UO4L22TY2SLQTZ6KNPHMBIU

not attested not anchored not stored refs pending

Geodesic and curvature of piecewise flat Finsler surfaces

Ming Xu, ShaoQiang Deng

arxiv:1608.05896 v2 · 2016-08-21 · math.DG · 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{B76UO4L22TY2SLQTZ6KNPHMBIU}

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	2026-05-18T00:45:30.402036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ffd47717ad4f1a92e13cf94d79d81452cd131fc7c2a6f40ba25e73c4e574869

Aliases

arxiv: 1608.05896 · arxiv_version: 1608.05896v2 · doi: 10.48550/arxiv.1608.05896 · pith_short_12: B76UO4L22TY2 · pith_short_16: B76UO4L22TY2SLQT · pith_short_8: B76UO4L2

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/B76UO4L22TY2SLQTZ6KNPHMBIU \
  | 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: 0ffd47717ad4f1a92e13cf94d79d81452cd131fc7c2a6f40ba25e73c4e574869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9764f1acd5d7b37a7081b14702f697bc015c4d3aa02f59d0289dfdc1bc5a610c",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-08-21T04:46:40Z",
    "title_canon_sha256": "90b8de8df2e3eb415fa9691d7c4fd08ffff297f368798e0f2fdf2caa345f2341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05896",
    "kind": "arxiv",
    "version": 2
  }
}