Pith Number

pith:I7IG7ZJM

pith:2019:I7IG7ZJMDV7Z2GDJUT5TXYX256

not attested not anchored not stored refs pending

Fronts in two-phase porous flow problems: effects of hysteresis and dynamic capillarity

Cornelis Johannes van Duijn, Iuliu Sorin Pop, Koondanibha Mitra, Rainer Helmig, Tobias K\"oppl

arxiv:1906.08134 v2 · 2019-06-16 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7IG7ZJMDV7Z2GDJUT5TXYX256}

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	2026-05-17T23:42:49.678019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47d06fe52c1d7f9d1869a4fb3be2faefac6cf32a24e8f51e4ee3effe2e15c6b8

Aliases

arxiv: 1906.08134 · arxiv_version: 1906.08134v2 · doi: 10.48550/arxiv.1906.08134 · pith_short_12: I7IG7ZJMDV7Z · pith_short_16: I7IG7ZJMDV7Z2GDJ · pith_short_8: I7IG7ZJM

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/I7IG7ZJMDV7Z2GDJUT5TXYX256 \
  | 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: 47d06fe52c1d7f9d1869a4fb3be2faefac6cf32a24e8f51e4ee3effe2e15c6b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3eb13344a5848b9ccb4eb15d9081ef52e7fbdae3a8890646fabc35dddd78f8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-06-16T21:36:31Z",
    "title_canon_sha256": "47711c55fc16b42618175c73cfe14b3f56176ae04ff93463d5876c2a92232b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08134",
    "kind": "arxiv",
    "version": 2
  }
}