Pith Number

pith:L4EG3H3N

pith:2019:L4EG3H3N2C45OYODA3Y5ATIWAD

not attested not anchored not stored refs pending

A new model for simulating heat, air and moisture transport in porous building materials

Bolatbek Rysbaiuly (IIT), Denys Dutykh (LAMA), Julien Berger (LOCIE), Nathan Mendes (PUCPR)

arxiv:1903.05456 v1 · 2019-03-07 · physics.app-ph · cs.NA · math.NA · 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{L4EG3H3N2C45OYODA3Y5ATIWAD}

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	2026-06-04T20:14:13.098345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f086d9f6dd0b9d761c306f1d04d1600df273f7939d7d34e256fb6680a73be37

Aliases

arxiv: 1903.05456 · arxiv_version: 1903.05456v1 · doi: 10.48550/arxiv.1903.05456 · pith_short_12: L4EG3H3N2C45 · pith_short_16: L4EG3H3N2C45OYOD · pith_short_8: L4EG3H3N

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/L4EG3H3N2C45OYODA3Y5ATIWAD \
  | 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: 5f086d9f6dd0b9d761c306f1d04d1600df273f7939d7d34e256fb6680a73be37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9f43fce8788ee2673a1be80ab0425d426f3b2c7d04bd90744d0453b60f51946",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-03-07T08:02:40Z",
    "title_canon_sha256": "5114e589510097f6b6e3b299c8ca3a9c9c6ba1c65dae178824befd1b28d51172"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05456",
    "kind": "arxiv",
    "version": 1
  }
}