Pith Number

pith:QKOHIZTY

pith:2012:QKOHIZTYSV5ZFKF44HWTLVLMIF

not attested not anchored not stored refs pending

Conditions at infinity for the inhomogeneous filtration equation

Fabio Punzo, Gabriele Grillo, Matteo Muratori

arxiv:1209.6505 v2 · 2012-09-28 · 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{QKOHIZTYSV5ZFKF44HWTLVLMIF}

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	2026-05-18T03:08:38.400909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

829c746678957b92a8bce1ed35d56c4153158c5212c5a684285a2ac9b2856cec

Aliases

arxiv: 1209.6505 · arxiv_version: 1209.6505v2 · doi: 10.48550/arxiv.1209.6505 · pith_short_12: QKOHIZTYSV5Z · pith_short_16: QKOHIZTYSV5ZFKF4 · pith_short_8: QKOHIZTY

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/QKOHIZTYSV5ZFKF44HWTLVLMIF \
  | 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: 829c746678957b92a8bce1ed35d56c4153158c5212c5a684285a2ac9b2856cec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d87c98f63fd44b1a265c5cfafc9bdfcf20009ad21718e22de94bc5abde52c420",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-09-28T12:54:30Z",
    "title_canon_sha256": "3ea8df2cd11f8948e43eda5316c8704f5e04a0b97ec46f6068d4bc444d366d47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6505",
    "kind": "arxiv",
    "version": 2
  }
}