Pith Number

pith:ICEMEQFZ

pith:2014:ICEMEQFZV7RSILO3R3FKHGVPYI

not attested not anchored not stored refs pending

Conormal problem of higher-order parabolic systems

Hongjie Dong, Hong Zhang

arxiv:1401.7938 v1 · 2014-01-30 · 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{ICEMEQFZV7RSILO3R3FKHGVPYI}

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	2026-05-18T03:00:37.838373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4088c240b9afe3242ddb8ecaa39aafc21db3d698e40f4e5371ecf4e5b8198111

Aliases

arxiv: 1401.7938 · arxiv_version: 1401.7938v1 · doi: 10.48550/arxiv.1401.7938 · pith_short_12: ICEMEQFZV7RS · pith_short_16: ICEMEQFZV7RSILO3 · pith_short_8: ICEMEQFZ

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/ICEMEQFZV7RSILO3R3FKHGVPYI \
  | 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: 4088c240b9afe3242ddb8ecaa39aafc21db3d698e40f4e5371ecf4e5b8198111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c4bee50d0aa881528b1bc6392ce10a05d4bc41424a4e9f5c67062c0850e66fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-01-30T18:00:36Z",
    "title_canon_sha256": "90a07746496bb62bf5e312f427c055c4795a37f344bbd43a91a7e69495ea83cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7938",
    "kind": "arxiv",
    "version": 1
  }
}