Pith Number

pith:KBPPUAAR

pith:2009:KBPPUAARNWRRPJJ7PUWKWRTZDH

not attested not anchored not stored refs pending

The $\Box_b$-heat equation on quadric manifolds

Albert Boggess, Andrew Raich

arxiv:0907.0148 v1 · 2009-07-01 · math.CV · 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{KBPPUAARNWRRPJJ7PUWKWRTZDH}

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	2026-05-18T03:49:09.456618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

505efa00116da317a53f7d2cab467919e35b337d90dd27d07a556f5dc2b11a44

Aliases

arxiv: 0907.0148 · arxiv_version: 0907.0148v1 · doi: 10.48550/arxiv.0907.0148 · pith_short_12: KBPPUAARNWRR · pith_short_16: KBPPUAARNWRRPJJ7 · pith_short_8: KBPPUAAR

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/KBPPUAARNWRRPJJ7PUWKWRTZDH \
  | 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: 505efa00116da317a53f7d2cab467919e35b337d90dd27d07a556f5dc2b11a44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03ed2277e592a67547905ba24d18fad6867223f235a4b02f5a4029bf0049c723",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2009-07-01T13:44:09Z",
    "title_canon_sha256": "0a117d29cef203b691cc5da2c21a103414d2efaf21687ef429120ffa74bdda54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0148",
    "kind": "arxiv",
    "version": 1
  }
}