Pith Number

pith:WE3ZKKQH

pith:2017:WE3ZKKQHQHHQRAHBCNYQ5U5GQR

not attested not anchored not stored refs pending

Porous medium equation with nonlocal pressure in a bounded domain

Juan Luis V\'azquez, Quoc-Hung Nguyen

arxiv:1708.00660 v1 · 2017-08-02 · 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{WE3ZKKQHQHHQRAHBCNYQ5U5GQR}

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	2026-05-18T00:38:45.092637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b137952a0781cf0880e113710ed3a6845489b823b29d3133f84381522f16c3eb

Aliases

arxiv: 1708.00660 · arxiv_version: 1708.00660v1 · doi: 10.48550/arxiv.1708.00660 · pith_short_12: WE3ZKKQHQHHQ · pith_short_16: WE3ZKKQHQHHQRAHB · pith_short_8: WE3ZKKQH

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/WE3ZKKQHQHHQRAHBCNYQ5U5GQR \
  | 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: b137952a0781cf0880e113710ed3a6845489b823b29d3133f84381522f16c3eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ade3bfde1881adc9bdd0d228371881129ba9c5edcfcd520969b4358b355f32a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-08-02T09:22:40Z",
    "title_canon_sha256": "4d3e3d0a4f866875188d94aa98e9a24d4747005d7dc8581e12e77345010ef912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00660",
    "kind": "arxiv",
    "version": 1
  }
}