Pith Number

pith:BWOEJDBM

pith:2025:BWOEJDBMHWL535Z42JALFAX676

not attested not anchored not stored refs pending

Generic mean curvature flow with obstacles

Keisuke Takasao, Tim Laux

arxiv:2507.06150 v1 · 2025-07-08 · math.AP · 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{BWOEJDBMHWL535Z42JALFAX676}

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	2026-07-05T11:33:52.885624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d9c448c2c3d97ddf73cd240b282feff8e1cffd7d64f44087925af5c6765eb44

Aliases

arxiv: 2507.06150 · arxiv_version: 2507.06150v1 · doi: 10.48550/arxiv.2507.06150 · pith_short_12: BWOEJDBMHWL5 · pith_short_16: BWOEJDBMHWL535Z4 · pith_short_8: BWOEJDBM

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/BWOEJDBMHWL535Z42JALFAX676 \
  | 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: 0d9c448c2c3d97ddf73cd240b282feff8e1cffd7d64f44087925af5c6765eb44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb65870eb4005660e084f7a0eb398783597d57c65aa09b0b43be7dbbe73aa822",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-07-08T16:31:21Z",
    "title_canon_sha256": "23fdf70172520a9914a1671d2c96227b188aade5c4d084a13e9ae7d9892c9ecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06150",
    "kind": "arxiv",
    "version": 1
  }
}