Pith Number

pith:C6R5BT2B

pith:2019:C6R5BT2B47NJKQRPOAR2RY7SHB

not attested not anchored not stored refs pending

Ancient and Eternal Solutions to Mean Curvature Flow from Minimal Surfaces

Alec Payne, Alexander Mramor

arxiv:1904.08439 v2 · 2019-04-17 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6R5BT2B47NJKQRPOAR2RY7SHB}

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	2026-05-17T23:47:15.487646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a3d0cf41e7da95422f7023a8e3f238744dfb0409512ae4148e74eb83feaef0

Aliases

arxiv: 1904.08439 · arxiv_version: 1904.08439v2 · doi: 10.48550/arxiv.1904.08439 · pith_short_12: C6R5BT2B47NJ · pith_short_16: C6R5BT2B47NJKQRP · pith_short_8: C6R5BT2B

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/C6R5BT2B47NJKQRPOAR2RY7SHB \
  | 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: 17a3d0cf41e7da95422f7023a8e3f238744dfb0409512ae4148e74eb83feaef0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d66c67ffc6d7e46ec6d53d3c977a16b45deee4f7be8a35500e69e1371595dcd",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-04-17T18:10:11Z",
    "title_canon_sha256": "889e4d4cfa9511499315cb5f2214f3c4d2e825a1b6c4ef6c58538a7f21cd088f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08439",
    "kind": "arxiv",
    "version": 2
  }
}