Pith Number

pith:HNQPFMK4

pith:2013:HNQPFMK4LTJGNWDAQQ6JMHGDY5

not attested not anchored not stored refs pending

Boundary value problems for first order elliptic wedge operators

Gerardo A. Mendoza, Thomas Krainer

arxiv:1307.2398 v2 · 2013-07-09 · 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{HNQPFMK4LTJGNWDAQQ6JMHGDY5}

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	2026-05-18T03:08:46.909806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b60f2b15c5cd266d860843c961cc3c779cfd15839bd271fdf0f33ec561c83e6

Aliases

arxiv: 1307.2398 · arxiv_version: 1307.2398v2 · doi: 10.48550/arxiv.1307.2398 · pith_short_12: HNQPFMK4LTJG · pith_short_16: HNQPFMK4LTJGNWDA · pith_short_8: HNQPFMK4

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/HNQPFMK4LTJGNWDAQQ6JMHGDY5 \
  | 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: 3b60f2b15c5cd266d860843c961cc3c779cfd15839bd271fdf0f33ec561c83e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d47dbba39e3c43e7093a59d12ef04081de8c4d648ce4372487ee5d863c3e7b43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-07-09T10:58:54Z",
    "title_canon_sha256": "7dc5ae6b388aea53ffe5d54b8f0a70e5e63f627cd97577fa8d16267e1b9f44f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2398",
    "kind": "arxiv",
    "version": 2
  }
}