Pith Number

pith:HQI2LZUH

pith:2018:HQI2LZUH3Z4RYH3S5XSUZDGYKN

not attested not anchored not stored refs pending

Large time behavior of a two phase extension of the porous medium equation

Ahmed Ait Hammou Oulhaj, Claire Chainais-Hillairet, Cl\'ement Canc\`es, Philippe Lauren\c{c}ot

arxiv:1803.10476 v1 · 2018-03-28 · 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{HQI2LZUH3Z4RYH3S5XSUZDGYKN}

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	2026-05-18T00:19:55.281460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c11a5e687de791c1f72ede54c8cd8534664ae2ee4469f6de7ae8081b75e5ec5

Aliases

arxiv: 1803.10476 · arxiv_version: 1803.10476v1 · doi: 10.48550/arxiv.1803.10476 · pith_short_12: HQI2LZUH3Z4R · pith_short_16: HQI2LZUH3Z4RYH3S · pith_short_8: HQI2LZUH

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/HQI2LZUH3Z4RYH3S5XSUZDGYKN \
  | 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: 3c11a5e687de791c1f72ede54c8cd8534664ae2ee4469f6de7ae8081b75e5ec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12d2beb5eab0f85f47a3efd6e676920dd83606d4e99f4a12254b0a822166493f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-03-28T09:16:16Z",
    "title_canon_sha256": "2d44807dcfc4b86a9b0fef5f4312721ef7480a73a114027f0ed914c0259bc8b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10476",
    "kind": "arxiv",
    "version": 1
  }
}