Pith Number

pith:6U2ETBJQ

pith:2014:6U2ETBJQLKF22OI343EANTUPB3

not attested not anchored not stored refs pending

Mean curvature flow with obstacles: a viscosity approach

Gwenael Mercier (CMAP)

arxiv:1409.7657 v3 · 2014-09-26 · 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{6U2ETBJQLKF22OI343EANTUPB3}

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	2026-05-18T01:01:42.508162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5344985305a8bad391be6c806ce8f0ef1044991eb5442cc88097f372ebdd8c0

Aliases

arxiv: 1409.7657 · arxiv_version: 1409.7657v3 · doi: 10.48550/arxiv.1409.7657 · pith_short_12: 6U2ETBJQLKF2 · pith_short_16: 6U2ETBJQLKF22OI3 · pith_short_8: 6U2ETBJQ

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/6U2ETBJQLKF22OI343EANTUPB3 \
  | 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: f5344985305a8bad391be6c806ce8f0ef1044991eb5442cc88097f372ebdd8c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af3dd1e0482ac7f7876e443226797c31a6805fed944a61082b0bfc7df4596bed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-09-26T18:20:13Z",
    "title_canon_sha256": "08e58ac6bf379bc631844282636d4ea6f499c90d70b6eeb56a86e63a6263304a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7657",
    "kind": "arxiv",
    "version": 3
  }
}