Pith Number

pith:HVLRSMHG

pith:2014:HVLRSMHGFMQI2BCIJALKASLTEK

not attested not anchored not stored refs pending

A generalized porous medium equation related to some singular quasilinear problems

Francesco Petitta

arxiv:1409.8479 v1 · 2014-09-30 · 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{HVLRSMHGFMQI2BCIJALKASLTEK}

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	2026-05-18T02:41:25.272894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d571930e62b208d04484816a0497322b726834493b84f09d8106a3040ba3b12

Aliases

arxiv: 1409.8479 · arxiv_version: 1409.8479v1 · doi: 10.48550/arxiv.1409.8479 · pith_short_12: HVLRSMHGFMQI · pith_short_16: HVLRSMHGFMQI2BCI · pith_short_8: HVLRSMHG

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/HVLRSMHGFMQI2BCIJALKASLTEK \
  | 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: 3d571930e62b208d04484816a0497322b726834493b84f09d8106a3040ba3b12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f679ee66058499261a71045fb665af138627272df9d6776cc71c17025e43068",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-09-30T11:03:12Z",
    "title_canon_sha256": "71af160b14cedba10b8ed8c46b57da4a03bd9009b04c1db90d383ea0310ec727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8479",
    "kind": "arxiv",
    "version": 1
  }
}