Pith Number

pith:3MAQJ6IT

pith:2019:3MAQJ6ITNOSAT44ZLWWX6LX4HU

not attested not anchored not stored refs pending

Representation formulas for contact type Hamilton-Jacobi equations

Jiahui Hong, Kai Zhao, Shengqing Hu, Wei Cheng

arxiv:1907.07542 v1 · 2019-07-17 · 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{3MAQJ6ITNOSAT44ZLWWX6LX4HU}

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	2026-05-17T23:40:21.831981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db0104f9136ba409f3995dad7f2efc3d1657704b51d7825b32946ca159810a5b

Aliases

arxiv: 1907.07542 · arxiv_version: 1907.07542v1 · doi: 10.48550/arxiv.1907.07542 · pith_short_12: 3MAQJ6ITNOSA · pith_short_16: 3MAQJ6ITNOSAT44Z · pith_short_8: 3MAQJ6IT

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/3MAQJ6ITNOSAT44ZLWWX6LX4HU \
  | 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: db0104f9136ba409f3995dad7f2efc3d1657704b51d7825b32946ca159810a5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11de1ba803d8d17e62f6992f5a5e488d6dbf530a1722a222cb225d06d7f1c9f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-17T14:22:36Z",
    "title_canon_sha256": "b0b9be95d1f97027b89af465deac6e97963876a54dcb206780b52b4b47bcc888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07542",
    "kind": "arxiv",
    "version": 1
  }
}