Pith Number

pith:JVPJLFP5

pith:2013:JVPJLFP5DUINEMVPUKID2LR2HB

not attested not anchored not stored refs pending

The two phase parabolic Signorini Problem

Mark Allen, Wenhui Shi

arxiv:1304.0424 v3 · 2013-04-01 · 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{JVPJLFP5DUINEMVPUKID2LR2HB}

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	2026-05-18T01:33:24.608096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d5e9595fd1d10d232afa2903d2e3a386b9b6b7f47cd75bf5bc0a1d34903dfb7

Aliases

arxiv: 1304.0424 · arxiv_version: 1304.0424v3 · doi: 10.48550/arxiv.1304.0424 · pith_short_12: JVPJLFP5DUIN · pith_short_16: JVPJLFP5DUINEMVP · pith_short_8: JVPJLFP5

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/JVPJLFP5DUINEMVPUKID2LR2HB \
  | 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: 4d5e9595fd1d10d232afa2903d2e3a386b9b6b7f47cd75bf5bc0a1d34903dfb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1b50d59d587b18d67516ad75f951d7cd3ce58535222cf25f5ef1f32c4c3576a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-01T19:15:40Z",
    "title_canon_sha256": "ab2ca748355859d028aa41a9367f4050aac6b551c971bd2a3f6a25959aa06d16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0424",
    "kind": "arxiv",
    "version": 3
  }
}