Pith Number

pith:3YYZ2I7P

pith:2014:3YYZ2I7P5DLCQDFE6NEHHVTYKA

not attested not anchored not stored refs pending

A note on expansion of convex plane curves via inverse curvature flow

Heiko Kr\"oner

arxiv:1406.3900 v1 · 2014-06-16 · 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{3YYZ2I7P5DLCQDFE6NEHHVTYKA}

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	2026-05-18T02:49:39.536080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de319d23efe8d6280ca4f34873d67850200f0dbdf866e62d78497ab8e6be1984

Aliases

arxiv: 1406.3900 · arxiv_version: 1406.3900v1 · doi: 10.48550/arxiv.1406.3900 · pith_short_12: 3YYZ2I7P5DLC · pith_short_16: 3YYZ2I7P5DLCQDFE · pith_short_8: 3YYZ2I7P

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/3YYZ2I7P5DLCQDFE6NEHHVTYKA \
  | 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: de319d23efe8d6280ca4f34873d67850200f0dbdf866e62d78497ab8e6be1984

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a12abf1766edc11cfb686e52a647f748adee031a2e60fe2f630c19734655ae5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-06-16T04:10:59Z",
    "title_canon_sha256": "dbf85f1cf8419e91f05ea75a7f1aded57bdac98b6c945e4d7d1de2f15abf928f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3900",
    "kind": "arxiv",
    "version": 1
  }
}