Pith Number

pith:FAAWE2LI

pith:2019:FAAWE2LIB5F6FNAHYLUS7OHQD5

not attested not anchored not stored refs pending

A multi-layer reduced model for flow in porous media with a fault and surrounding damage zones

Alessio Fumagalli, Anna Scotti

arxiv:1903.01117 v1 · 2019-03-04 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FAAWE2LIB5F6FNAHYLUS7OHQD5}

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	2026-05-17T23:52:12.265822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28016269680f4be2b407c2e92fb8f01f532b2201aca81e63b455882ddb20a108

Aliases

arxiv: 1903.01117 · arxiv_version: 1903.01117v1 · doi: 10.48550/arxiv.1903.01117 · pith_short_12: FAAWE2LIB5F6 · pith_short_16: FAAWE2LIB5F6FNAH · pith_short_8: FAAWE2LI

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/FAAWE2LIB5F6FNAHYLUS7OHQD5 \
  | 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: 28016269680f4be2b407c2e92fb8f01f532b2201aca81e63b455882ddb20a108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da2a6a2950f58ce29878eed5abcdb8d2cd3cc0402198ec4902ab8dfdf7b459ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-04T08:16:17Z",
    "title_canon_sha256": "87ce043287a551815d8f31d36546404d97be9512fca779522b25f2cf812c05eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01117",
    "kind": "arxiv",
    "version": 1
  }
}