Pith Number

pith:UG5YTGWY

pith:2008:UG5YTGWYVJK6A7MQVJPMWFC5MC

not attested not anchored not stored refs pending

Fully adaptive multiresolution schemes for strongly degenerate parabolic equations in one space dimension

Kai Schneider, Mauricio Sep\'ulveda, Raimund B\"urger, Ricardo Ruiz Baier

arxiv:0807.0400 v2 · 2008-07-02 · math.NA · 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{UG5YTGWYVJK6A7MQVJPMWFC5MC}

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	2026-05-18T03:53:03.595390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1bb899ad8aa55e07d90aa5ecb145d60a45a72bd2987b83d16466c795a2cfe1d

Aliases

arxiv: 0807.0400 · arxiv_version: 0807.0400v2 · doi: 10.48550/arxiv.0807.0400 · pith_short_12: UG5YTGWYVJK6 · pith_short_16: UG5YTGWYVJK6A7MQ · pith_short_8: UG5YTGWY

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/UG5YTGWYVJK6A7MQVJPMWFC5MC \
  | 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: a1bb899ad8aa55e07d90aa5ecb145d60a45a72bd2987b83d16466c795a2cfe1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9470e0552a0f08f87e02a2081b5cc1bfa0fed460874f247b4b52a90a8e4b75e",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-07-02T16:54:05Z",
    "title_canon_sha256": "07c62a102e45ae68db23aad00427501b9c529f14f22b79527f6f009796cfcca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0400",
    "kind": "arxiv",
    "version": 2
  }
}