Pith Number

pith:VWYRF3MJ

pith:2016:VWYRF3MJXIQCGB4CGCLQY2CDNJ

not attested not anchored not stored refs pending

Constrained evolution for a quasilinear parabolic equation

Gianni Gilardi, J\"urgen Sprekels, Pierluigi Colli

arxiv:1602.07237 v2 · 2016-02-23 · math.AP · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWYRF3MJXIQCGB4CGCLQY2CDNJ}

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	2026-05-18T01:12:22.547009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adb112ed89ba2023078230970c68436a40cc0194c7c7761054e17eb70361a069

Aliases

arxiv: 1602.07237 · arxiv_version: 1602.07237v2 · doi: 10.48550/arxiv.1602.07237 · pith_short_12: VWYRF3MJXIQC · pith_short_16: VWYRF3MJXIQCGB4C · pith_short_8: VWYRF3MJ

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/VWYRF3MJXIQCGB4CGCLQY2CDNJ \
  | 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: adb112ed89ba2023078230970c68436a40cc0194c7c7761054e17eb70361a069

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b76ee091903e5ce6e697d966ec6af81b77879bf6b2c4fafaad5fd6a43c743f01",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-02-23T17:05:57Z",
    "title_canon_sha256": "d1bbb6697df44d5d7bbaa5f99c7d0aee4d4ed59bebf1633f9407334d03a957fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07237",
    "kind": "arxiv",
    "version": 2
  }
}