Pith Number

pith:7QT4ZXGP

pith:2008:7QT4ZXGPPP62OF576OJMYVT44R

not attested not anchored not stored refs pending

On convergence of solutions to equilibria for quasilinear parabolic problems

Gieri Simonett, Jan Pruess, Rico Zacher

arxiv:0807.1539 v2 · 2008-07-09 · math.AP · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QT4ZXGPPP62OF576OJMYVT44R}

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	2026-05-18T00:54:51.403489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc27ccdccf7bfda717bff392cc567ce478923013633b60cba387dfb9dffc409b

Aliases

arxiv: 0807.1539 · arxiv_version: 0807.1539v2 · doi: 10.48550/arxiv.0807.1539 · pith_short_12: 7QT4ZXGPPP62 · pith_short_16: 7QT4ZXGPPP62OF57 · pith_short_8: 7QT4ZXGP

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/7QT4ZXGPPP62OF576OJMYVT44R \
  | 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: fc27ccdccf7bfda717bff392cc567ce478923013633b60cba387dfb9dffc409b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64f3d9e9a527dc1ac0b0ba295cca4b608bf85aecba1dba2204d89a2855a638fa",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2008-07-09T20:32:13Z",
    "title_canon_sha256": "37e5359bef2e9b5a14ec0783e75928c461ca2f12ffdbff0c16f69e903538e9d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.1539",
    "kind": "arxiv",
    "version": 2
  }
}