Pith Number

pith:735ZJSQZ

pith:2015:735ZJSQZDQ7O652UDOE4DMCCUA

not attested not anchored not stored refs pending

Structurally Stable Singularities for a Nonlinear Wave Equation

Alberto Bressan, Fang Yu, Tao Huang

arxiv:1503.08807 v1 · 2015-03-30 · 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{735ZJSQZDQ7O652UDOE4DMCCUA}

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	2026-05-18T02:20:00.897733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fefb94ca191c3eef77541b89c1b042a016a5e8ad149fde1378909cb4f87534a0

Aliases

arxiv: 1503.08807 · arxiv_version: 1503.08807v1 · doi: 10.48550/arxiv.1503.08807 · pith_short_12: 735ZJSQZDQ7O · pith_short_16: 735ZJSQZDQ7O652U · pith_short_8: 735ZJSQZ

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/735ZJSQZDQ7O652UDOE4DMCCUA \
  | 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: fefb94ca191c3eef77541b89c1b042a016a5e8ad149fde1378909cb4f87534a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56c5b9fe7d62cde13dde5bd565b5254d836ac2720601011cdc375fecb8ee102f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-03-30T19:30:25Z",
    "title_canon_sha256": "3dce113fad961904b83222b024f92b0ae05c1016c0a35884a2be547e892a00d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08807",
    "kind": "arxiv",
    "version": 1
  }
}