Pith Number

pith:OVRMWF2A

pith:2017:OVRMWF2AUJZXN7DKALRUFQ3SAW

not attested not anchored not stored refs pending

Uniqueness of discrete solutions of nonmonotone PDEs without a globally fine mesh condition

Sara Pollock, Yunrong Zhu

arxiv:1704.04319 v3 · 2017-04-14 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVRMWF2AUJZXN7DKALRUFQ3SAW}

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	2026-05-18T00:42:45.933901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7562cb1740a27376fc6a02e342c372058642828225aac4b60d39e6a4c47ee997

Aliases

arxiv: 1704.04319 · arxiv_version: 1704.04319v3 · doi: 10.48550/arxiv.1704.04319 · pith_short_12: OVRMWF2AUJZX · pith_short_16: OVRMWF2AUJZXN7DK · pith_short_8: OVRMWF2A

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/OVRMWF2AUJZXN7DKALRUFQ3SAW \
  | 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: 7562cb1740a27376fc6a02e342c372058642828225aac4b60d39e6a4c47ee997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69d88c02616a439c6ceb87025ad9a707e69b43c481b71b6c03dd52a594a859bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-14T01:07:10Z",
    "title_canon_sha256": "ac7c2e694a7d089fdddaac823514f698856225e1a7753be951a3b05f79d3ef37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04319",
    "kind": "arxiv",
    "version": 3
  }
}