Pith Number

pith:QRRWTVDJ

pith:2013:QRRWTVDJ6XOR5TOQ42PI2RNOVG

not attested not anchored not stored refs pending

Error estimates for approximations of nonlinear uniformly parabolic equations

Olga Turanova

arxiv:1309.6268 v2 · 2013-09-24 · 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{QRRWTVDJ6XOR5TOQ42PI2RNOVG}

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	2026-05-18T01:19:39.078513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

846369d469f5dd1ecdd0e69e8d45aea996f3f67f307592d8cc7782bef25db3d8

Aliases

arxiv: 1309.6268 · arxiv_version: 1309.6268v2 · doi: 10.48550/arxiv.1309.6268 · pith_short_12: QRRWTVDJ6XOR · pith_short_16: QRRWTVDJ6XOR5TOQ · pith_short_8: QRRWTVDJ

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/QRRWTVDJ6XOR5TOQ42PI2RNOVG \
  | 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: 846369d469f5dd1ecdd0e69e8d45aea996f3f67f307592d8cc7782bef25db3d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e9125a29f4ef9bf31d06a9cbeb2cef884880aba3064d32967b2f00f75eceb12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-09-24T17:54:33Z",
    "title_canon_sha256": "5772388575dab21c0be4a7194de64019a71badfbc9d25ca11acd70b99100d271"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6268",
    "kind": "arxiv",
    "version": 2
  }
}