Pith Number

pith:VIYH7FDM

pith:2015:VIYH7FDM3EOOKQ53FI6YHTDW76

not attested not anchored not stored refs pending

Series solutions to the cauchy problem for partial differential equations

Alatancang Chen, Tao Zhang

arxiv:1503.07582 v6 · 2015-03-25 · 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{VIYH7FDM3EOOKQ53FI6YHTDW76}

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	2026-05-18T01:21:37.549519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa307f946cd91ce543bb2a3d83cc76ffa193d518e14197abb4452e19e1520f2f

Aliases

arxiv: 1503.07582 · arxiv_version: 1503.07582v6 · doi: 10.48550/arxiv.1503.07582 · pith_short_12: VIYH7FDM3EOO · pith_short_16: VIYH7FDM3EOOKQ53 · pith_short_8: VIYH7FDM

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/VIYH7FDM3EOOKQ53FI6YHTDW76 \
  | 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: aa307f946cd91ce543bb2a3d83cc76ffa193d518e14197abb4452e19e1520f2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fce09ae3acdcefcb16ac03db41914a66d142c9dc783f222a23c62673dfea24cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-03-25T23:45:02Z",
    "title_canon_sha256": "72c4b922f76fc1901004e9fe449c18cd3b284d210011d157dc3a1ce2632724a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07582",
    "kind": "arxiv",
    "version": 6
  }
}