Pith Number

pith:HYGELG3V

pith:2014:HYGELG3VCQLSBOUDOYLJHM3XON

not attested not anchored not stored refs pending

Non-uniform continuity of the semiflow map associated to the porous medium equation

Bogdan--Vasile Matioc

arxiv:1401.1115 v1 · 2014-01-06 · 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{HYGELG3VCQLSBOUDOYLJHM3XON}

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	2026-05-18T00:45:08.841967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e0c459b75141720ba83761693b3777372ca0deefd81186835a5138b14fb2876

Aliases

arxiv: 1401.1115 · arxiv_version: 1401.1115v1 · doi: 10.48550/arxiv.1401.1115 · pith_short_12: HYGELG3VCQLS · pith_short_16: HYGELG3VCQLSBOUD · pith_short_8: HYGELG3V

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/HYGELG3VCQLSBOUDOYLJHM3XON \
  | 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: 3e0c459b75141720ba83761693b3777372ca0deefd81186835a5138b14fb2876

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bc37dad69bbef951ec1da85daa4dbe45d23b12b46d59d07a426e087f2f7a940",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-01-06T15:21:44Z",
    "title_canon_sha256": "471c289384e705396070de88702be4614851740bdebeaa43c75616e5926cb2a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1115",
    "kind": "arxiv",
    "version": 1
  }
}