Pith Number

pith:55BRELF5

pith:2012:55BRELF5XAU4Y4SVTZLIZ42TTI

not attested not anchored not stored refs pending

Eternal solutions to a singular diffusion equation with critical gradient absorption

Philippe Laurencot (IMT), Razvan Gabriel Iagar (IMAR)

arxiv:1201.3196 v1 · 2012-01-16 · 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{55BRELF5XAU4Y4SVTZLIZ42TTI}

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	2026-05-18T03:00:37.588478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef43122cbdb829cc72559e568cf3539a24719565ecfc7e46eacb7e55bd8bd1e4

Aliases

arxiv: 1201.3196 · arxiv_version: 1201.3196v1 · doi: 10.48550/arxiv.1201.3196 · pith_short_12: 55BRELF5XAU4 · pith_short_16: 55BRELF5XAU4Y4SV · pith_short_8: 55BRELF5

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/55BRELF5XAU4Y4SVTZLIZ42TTI \
  | 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: ef43122cbdb829cc72559e568cf3539a24719565ecfc7e46eacb7e55bd8bd1e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "133f89c5e9190499a892ca682aaa657ca2ee22711a9779c7ebdc3691172b43ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-01-16T10:14:54Z",
    "title_canon_sha256": "83b9f33585c373a422c676abb00aca2f6de3f2c61f7a1669cbe7b4fee8430d04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3196",
    "kind": "arxiv",
    "version": 1
  }
}