Pith Number

pith:EU4RBQHS

pith:2012:EU4RBQHSQE7K55AZSFMBJ2TYYO

not attested not anchored not stored refs pending

The conormal derivative problem for higher order elliptic systems with irregular coefficients

Doyoon Kim, Hongjie Dong

arxiv:1203.1499 v1 · 2012-03-07 · 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{EU4RBQHSQE7K55AZSFMBJ2TYYO}

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	2026-05-18T04:00:38.588182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

253910c0f2813eaef419915814ea78c3b0922b9f06108c8059d14a5b42df4a25

Aliases

arxiv: 1203.1499 · arxiv_version: 1203.1499v1 · doi: 10.48550/arxiv.1203.1499 · pith_short_12: EU4RBQHSQE7K · pith_short_16: EU4RBQHSQE7K55AZ · pith_short_8: EU4RBQHS

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/EU4RBQHSQE7K55AZSFMBJ2TYYO \
  | 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: 253910c0f2813eaef419915814ea78c3b0922b9f06108c8059d14a5b42df4a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34e7079a8180b320edfa38892526a0de3d5fa1105bfbd1f87459ab1bf94d94cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-03-07T15:29:43Z",
    "title_canon_sha256": "b3aea880608b2e93d370e987de83d7fb6df6c04acbd1180e5af2c14102078766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1499",
    "kind": "arxiv",
    "version": 1
  }
}