Pith Number

pith:HP6FSCCK

pith:2011:HP6FSCCKTQQGXQHPO7JZIAUSMX

not attested not anchored not stored refs pending

Overdetermined problems for fully non linear operators

F. Demengel, I. Birindelli

arxiv:1105.5603 v1 · 2011-05-27 · 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{HP6FSCCKTQQGXQHPO7JZIAUSMX}

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	2026-05-18T04:21:11.289717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bfc59084a9c206bc0ef77d394029265d2c0c20330bd1cdfe0d7af17fe388233

Aliases

arxiv: 1105.5603 · arxiv_version: 1105.5603v1 · doi: 10.48550/arxiv.1105.5603 · pith_short_12: HP6FSCCKTQQG · pith_short_16: HP6FSCCKTQQGXQHP · pith_short_8: HP6FSCCK

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/HP6FSCCKTQQGXQHPO7JZIAUSMX \
  | 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: 3bfc59084a9c206bc0ef77d394029265d2c0c20330bd1cdfe0d7af17fe388233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23dd6d51c43235257cd76bc42c4633e40f744971754c300d9070038d96fb4788",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-05-27T16:13:41Z",
    "title_canon_sha256": "8923b0d1212bc6b1cb69befe3be4618f63e9e16e8d7d8f32216e1ff5637a9485"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5603",
    "kind": "arxiv",
    "version": 1
  }
}