Pith Number

pith:V7VMMOXS

pith:2018:V7VMMOXSS73NN2VXATDPP5QMQW

not attested not anchored not stored refs pending

On the existence of convex functions on Finsler manifolds

Pattrawut Chansangiam, Sorin V. Sabau

arxiv:1811.02121 v2 · 2018-11-06 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7VMMOXSS73NN2VXATDPP5QMQW}

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	2026-05-17T23:56:52.683273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afeac63af297f6d6eab704c6f7f60c85a71b6682787c1838e01ac35cfa2d6f1f

Aliases

arxiv: 1811.02121 · arxiv_version: 1811.02121v2 · doi: 10.48550/arxiv.1811.02121 · pith_short_12: V7VMMOXSS73N · pith_short_16: V7VMMOXSS73NN2VX · pith_short_8: V7VMMOXS

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/V7VMMOXSS73NN2VXATDPP5QMQW \
  | 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: afeac63af297f6d6eab704c6f7f60c85a71b6682787c1838e01ac35cfa2d6f1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "329ff196727dc1e8e6789ba1c1eddfa768dcb0a39c15d587ddc3044dc94274e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-11-06T01:54:01Z",
    "title_canon_sha256": "05311a33f18602d5addbf04304196965553d196894b6291fd4a41b5afb9c6705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02121",
    "kind": "arxiv",
    "version": 2
  }
}