Pith Number

pith:BY6PQ7B7

pith:2007:BY6PQ7B7TDYIOIRDHVU3TQWOU4

not attested not anchored not stored refs pending

On the mixed Cauchy problem with data on singular conics

Hermann Render, Peter Ebenfelt

arxiv:math/0703110 v1 · 2007-03-04 · math.AP · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BY6PQ7B7TDYIOIRDHVU3TQWOU4}

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	2026-05-18T02:57:45.249133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3cf87c3f98f08722233d69b9c2cea7202254370aaabe72af651648514ab4a9

Aliases

arxiv: math/0703110 · arxiv_version: math/0703110v1 · doi: 10.48550/arxiv.math/0703110 · pith_short_12: BY6PQ7B7TDYI · pith_short_16: BY6PQ7B7TDYIOIRD · pith_short_8: BY6PQ7B7

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/BY6PQ7B7TDYIOIRDHVU3TQWOU4 \
  | 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: 0e3cf87c3f98f08722233d69b9c2cea7202254370aaabe72af651648514ab4a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f20ef494f56f4e5aabd572f5e9605ca35b196aea1ee512f061e3c8e076a70cb",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2007-03-04T17:56:13Z",
    "title_canon_sha256": "9d7c6cfe0f2ce2c93309f7542b2beb4f8738ebb18eebb79281505df1b319736b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0703110",
    "kind": "arxiv",
    "version": 1
  }
}