Pith Number

pith:BVFL63Q5

pith:2016:BVFL63Q5S4G5VQFCST4ONU3ETZ

not attested not anchored not stored refs pending

Near field asymptotics for the porous medium equation in exterior domains. The critical two-dimensional case

Carmen Cort\'azar, Fernando Quir\'os, Noem\'i Wolanski

arxiv:1610.04772 v1 · 2016-10-15 · 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{BVFL63Q5S4G5VQFCST4ONU3ETZ}

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	2026-05-18T01:02:07.118857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d4abf6e1d970ddac0a294f8e6d3649e55acd63825648db92a46d3a513b7987e

Aliases

arxiv: 1610.04772 · arxiv_version: 1610.04772v1 · doi: 10.48550/arxiv.1610.04772 · pith_short_12: BVFL63Q5S4G5 · pith_short_16: BVFL63Q5S4G5VQFC · pith_short_8: BVFL63Q5

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/BVFL63Q5S4G5VQFCST4ONU3ETZ \
  | 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: 0d4abf6e1d970ddac0a294f8e6d3649e55acd63825648db92a46d3a513b7987e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e49bb0ba5b8e6c1555f9b16ca612be13bcfb63ddd259e23db9fc77f5ca661478",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-10-15T18:27:52Z",
    "title_canon_sha256": "c0ca7153ee1907eef7aaec4bb598f477ecb2ddf8ee5cd77405f5e5c3f23258b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04772",
    "kind": "arxiv",
    "version": 1
  }
}