Pith Number

pith:AOPPZPHH

pith:2018:AOPPZPHHS67T6HYZVJGASMOUBR

not attested not anchored not stored refs pending

A time-space Hausdorff fractal model for non-Fickian transport in porous media

Ninghu Su, Wen Chen, Xu Yang, Yingjie Liang

arxiv:1808.00134 v2 · 2018-08-01 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AOPPZPHHS67T6HYZVJGASMOUBR}

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	2026-05-18T00:08:30.807180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

039efcbce797bf3f1f19aa4c0931d40c4decc07b5a17d04eac1abed326733887

Aliases

arxiv: 1808.00134 · arxiv_version: 1808.00134v2 · doi: 10.48550/arxiv.1808.00134 · pith_short_12: AOPPZPHHS67T · pith_short_16: AOPPZPHHS67T6HYZ · pith_short_8: AOPPZPHH

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/AOPPZPHHS67T6HYZVJGASMOUBR \
  | 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: 039efcbce797bf3f1f19aa4c0931d40c4decc07b5a17d04eac1abed326733887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd8ed5267eb685943c5320b809f66e943eb23e13723e0bd15add4cb04213c560",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-08-01T01:39:15Z",
    "title_canon_sha256": "430fa86c266a0897b7df92f24a10d0b854794c4659fc591d2f3b6f6f20fd72ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00134",
    "kind": "arxiv",
    "version": 2
  }
}