Pith Number

pith:D25AQ47K

pith:2014:D25AQ47K5IJFEWGC5FPQUCKMGM

not attested not anchored not stored refs pending

Semi-concave singularities and the Hamilton-Jacobi equation

DMA), Patrick Bernard (CEREMADE

arxiv:1406.0793 v1 · 2014-06-03 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D25AQ47K5IJFEWGC5FPQUCKMGM}

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	2026-05-18T02:50:32.813423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eba0873eaea125258c2e95f0a094c33073a022d36040c5e21d0feaf546661c4

Aliases

arxiv: 1406.0793 · arxiv_version: 1406.0793v1 · doi: 10.48550/arxiv.1406.0793 · pith_short_12: D25AQ47K5IJF · pith_short_16: D25AQ47K5IJFEWGC · pith_short_8: D25AQ47K

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/D25AQ47K5IJFEWGC5FPQUCKMGM \
  | 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: 1eba0873eaea125258c2e95f0a094c33073a022d36040c5e21d0feaf546661c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "070c9594e10bd420e3bc9b4cf6a6cdac1720796e5e8448cf8e7570df849b9ef8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-06-03T17:26:59Z",
    "title_canon_sha256": "9871db2aed45a4cf394533a2bd94d2a86ac92d35ef4c441ba1c1452550110d26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0793",
    "kind": "arxiv",
    "version": 1
  }
}