Pith Number

pith:ZGADYU72

pith:2015:ZGADYU72H4JBFH6LABRDA6XKSB

not attested not anchored not stored refs pending

Homogenization of reaction-diffusion equations in fractured porous media

Hermann Douanla, Jean Louis Woukeng

arxiv:1506.08302 v1 · 2015-06-27 · 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{ZGADYU72H4JBFH6LABRDA6XKSB}

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	2026-05-18T01:37:46.843842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9803c53fa3f12129fcb0062307aea907864cf13cae4e3c9dea779d2182320a6

Aliases

arxiv: 1506.08302 · arxiv_version: 1506.08302v1 · doi: 10.48550/arxiv.1506.08302 · pith_short_12: ZGADYU72H4JB · pith_short_16: ZGADYU72H4JBFH6L · pith_short_8: ZGADYU72

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/ZGADYU72H4JBFH6LABRDA6XKSB \
  | 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: c9803c53fa3f12129fcb0062307aea907864cf13cae4e3c9dea779d2182320a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d540b6548676530fbdb6b20428ab77c23286fb7e4fe054417982f75f3a6c7df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-06-27T15:29:37Z",
    "title_canon_sha256": "9bba0a9d3f5f980a3a06cf0e25a32affaf7c18c347f7adebaef15956a4fd722b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08302",
    "kind": "arxiv",
    "version": 1
  }
}