Pith Number

pith:Z7BJWFXE

pith:2018:Z7BJWFXERWJET5FDGJQNWVPAKH

not attested not anchored not stored refs pending

Neumann Boundary Problem for Parabolic Partial Differential Equations with Divergence Terms

Jing Zhang, Xue Yang

arxiv:1802.07626 v1 · 2018-02-21 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7BJWFXERWJET5FDGJQNWVPAKH}

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	2026-05-18T00:22:49.763728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfc29b16e48d9249f4a33260db55e051e7ddab6dee102ffa5607e5714958c01b

Aliases

arxiv: 1802.07626 · arxiv_version: 1802.07626v1 · doi: 10.48550/arxiv.1802.07626 · pith_short_12: Z7BJWFXERWJE · pith_short_16: Z7BJWFXERWJET5FD · pith_short_8: Z7BJWFXE

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/Z7BJWFXERWJET5FDGJQNWVPAKH \
  | 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: cfc29b16e48d9249f4a33260db55e051e7ddab6dee102ffa5607e5714958c01b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5f748968a9f878c54dbdb40aa8359871b458692ecd8e7a6de6a96ca82ab1b97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2018-02-21T15:55:03Z",
    "title_canon_sha256": "0a02119c309377943219ca8105a20f93f75c14517d9e5f9977a9b9f3800bcc94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07626",
    "kind": "arxiv",
    "version": 1
  }
}