Pith Number

pith:HZP2IFGM

pith:2023:HZP2IFGMXF2BVHPVFGPFJOHQKB

not attested not anchored not stored refs pending

Unique determination of coefficients and kernel in nonlocal porous medium equations with absorption term

Philipp Zimmermann, Yi-Hsuan Lin

arxiv:2305.16282 v1 · 2023-05-25 · 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{HZP2IFGMXF2BVHPVFGPFJOHQKB}

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	2026-07-05T06:14:01.440163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e5fa414ccb9741a9df5299e54b8f0504a4c1fe35c4bafe4d4ea94fd9d23de39

Aliases

arxiv: 2305.16282 · arxiv_version: 2305.16282v1 · doi: 10.48550/arxiv.2305.16282 · pith_short_12: HZP2IFGMXF2B · pith_short_16: HZP2IFGMXF2BVHPV · pith_short_8: HZP2IFGM

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/HZP2IFGMXF2BVHPVFGPFJOHQKB \
  | 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: 3e5fa414ccb9741a9df5299e54b8f0504a4c1fe35c4bafe4d4ea94fd9d23de39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d35a49f092a1d5dfaede225575140cec755ef7fa75c7a2c873e9ed6595e0c83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2023-05-25T17:38:53Z",
    "title_canon_sha256": "ec13a77d66aa8d6564f04eef20e1fc06ff6adb89d4f4245994ad5575e9dd7170"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.16282",
    "kind": "arxiv",
    "version": 1
  }
}