Pith Number

pith:H475XWEV

pith:2008:H475XWEVNABEOX2GTV7CGFCTWW

not attested not anchored not stored refs pending

On the Cauchy problem for the debar operator

C. Denson Hill, Judith Brinkschulte

arxiv:0809.1662 v1 · 2008-09-09 · math.CV · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H475XWEVNABEOX2GTV7CGFCTWW}

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	2026-05-18T02:15:35.061660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f3fdbd8956802475f469d7e231453b5bf75d3c11c0b0ef719736ca2e5969afa

Aliases

arxiv: 0809.1662 · arxiv_version: 0809.1662v1 · doi: 10.48550/arxiv.0809.1662 · pith_short_12: H475XWEVNABE · pith_short_16: H475XWEVNABEOX2G · pith_short_8: H475XWEV

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/H475XWEVNABEOX2GTV7CGFCTWW \
  | 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: 3f3fdbd8956802475f469d7e231453b5bf75d3c11c0b0ef719736ca2e5969afa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb1bf44d10b00a4e68fe7f17bc297d21e2189374f1fcb8704e4b8ea9534d0cd6",
    "cross_cats_sorted": [
      "math.AP",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2008-09-09T20:27:45Z",
    "title_canon_sha256": "43389bb843119b73b9adf9bd53689f52eec71bcff159b3a1c3e7d0cba77d7922"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1662",
    "kind": "arxiv",
    "version": 1
  }
}