Pith Number

pith:KEV3DUQO

pith:2011:KEV3DUQOFQZGNEQ5VXFZTX4KM6

not attested not anchored not stored refs pending

Non completely solvable systems of complex first order PDE's

C. Denson Hill, Mauro Nacinovich

arxiv:1111.1502 v2 · 2011-11-07 · math.AP · math.CV · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KEV3DUQOFQZGNEQ5VXFZTX4KM6}

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	2026-05-18T04:08:33.191782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

512bb1d20e2c3266921dadcb99df8a678030f5cd38a4bd59b1dfdbc0d7b83b57

Aliases

arxiv: 1111.1502 · arxiv_version: 1111.1502v2 · doi: 10.48550/arxiv.1111.1502 · pith_short_12: KEV3DUQOFQZG · pith_short_16: KEV3DUQOFQZGNEQ5 · pith_short_8: KEV3DUQO

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/KEV3DUQOFQZGNEQ5VXFZTX4KM6 \
  | 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: 512bb1d20e2c3266921dadcb99df8a678030f5cd38a4bd59b1dfdbc0d7b83b57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52ef350bddf4e1567cf5b51c172892b9c50f06aa81dd3dc52ab4a42591df685f",
    "cross_cats_sorted": [
      "math.CV",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-11-07T08:35:47Z",
    "title_canon_sha256": "f228a7ed865f31a3f87e8eb7ab331326931ba814bafeb3801f578369abab95f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1502",
    "kind": "arxiv",
    "version": 2
  }
}