Pith Number

pith:GGD7Z2DU

pith:2013:GGD7Z2DUF4N5TX7XK4U2CYNQW3

not attested not anchored not stored refs pending

Solute transport predicts scaling of surface reaction rates in porous media: Applications to silicate weathering

Allen G. Hunt, Behzad Ghanbarian, Thomas E. Skinner

arxiv:1309.2993 v1 · 2013-09-11 · 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{GGD7Z2DUF4N5TX7XK4U2CYNQW3}

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	2026-05-18T03:13:33.161640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3187fce8742f1bd9dff75729a161b0b6c84fefdd0d8ac04d61349e2d33a8d4bc

Aliases

arxiv: 1309.2993 · arxiv_version: 1309.2993v1 · doi: 10.48550/arxiv.1309.2993 · pith_short_12: GGD7Z2DUF4N5 · pith_short_16: GGD7Z2DUF4N5TX7X · pith_short_8: GGD7Z2DU

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/GGD7Z2DUF4N5TX7XK4U2CYNQW3 \
  | 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: 3187fce8742f1bd9dff75729a161b0b6c84fefdd0d8ac04d61349e2d33a8d4bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39f82e48ec8fd99aa2141a96eda99eff91e0873436aff90d1a6b0ce6632d7823",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2013-09-11T22:42:55Z",
    "title_canon_sha256": "b8552fcf27167a6b4bb39582c1fe349fe2462e9abe036f39e529e6164a7e12c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2993",
    "kind": "arxiv",
    "version": 1
  }
}