Pith Number

pith:25HFLHHZ

pith:2015:25HFLHHZGQKQISUVLMAG2C5F7H

not attested not anchored not stored refs pending

Changes in porosity, permeability and surface area during rock dissolution: effects of mineralogical heterogeneity

Li Chen, Qinjun Kang, Ting Min, Wen-Quan Tao, Yimin Gao

arxiv:1511.04295 v1 · 2015-11-12 · physics.flu-dyn · physics.chem-ph · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{25HFLHHZGQKQISUVLMAG2C5F7H}

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	2026-05-18T01:26:59.216185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d74e559cf93415044a955b006d0ba5f9e65a2b35cf5720e37127539943d6bf01

Aliases

arxiv: 1511.04295 · arxiv_version: 1511.04295v1 · doi: 10.48550/arxiv.1511.04295 · pith_short_12: 25HFLHHZGQKQ · pith_short_16: 25HFLHHZGQKQISUV · pith_short_8: 25HFLHHZ

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/25HFLHHZGQKQISUVLMAG2C5F7H \
  | 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: d74e559cf93415044a955b006d0ba5f9e65a2b35cf5720e37127539943d6bf01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "704a2ed0e558cc1b03bcefca875db96bc179071c63bbd175edf693c17f19b733",
    "cross_cats_sorted": [
      "physics.chem-ph",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-11-12T16:26:34Z",
    "title_canon_sha256": "1f29f62ba049c1f7a62993784aa23eb1dc17854b446fcd0a6e04f454db84229d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04295",
    "kind": "arxiv",
    "version": 1
  }
}