Pith Number

pith:OX4A7TU2

pith:2014:OX4A7TU2Z62KD5IUZ33OOZBUQ5

not attested not anchored not stored refs pending

Discrete double-porosity models

Andrea Braides, Andrey Piatnitski, Valeria Chiado Piat

arxiv:1406.1752 v1 · 2014-06-06 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OX4A7TU2Z62KD5IUZ33OOZBUQ5}

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	2026-05-18T02:50:14.046089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75f80fce9acfb4a1f514cef6e764348761a1a13d1477d9b304771021d7ee8722

Aliases

arxiv: 1406.1752 · arxiv_version: 1406.1752v1 · doi: 10.48550/arxiv.1406.1752 · pith_short_12: OX4A7TU2Z62K · pith_short_16: OX4A7TU2Z62KD5IU · pith_short_8: OX4A7TU2

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/OX4A7TU2Z62KD5IUZ33OOZBUQ5 \
  | 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: 75f80fce9acfb4a1f514cef6e764348761a1a13d1477d9b304771021d7ee8722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80823a321e396c3e7d0887f2932947756577d87e2a77c2d09f095db49756cb44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-06-06T17:30:45Z",
    "title_canon_sha256": "c79eb709060444960cf215b3c16793efa86b7af3e9aa8148a356dc3520c213c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1752",
    "kind": "arxiv",
    "version": 1
  }
}