Pith Number

pith:4KFW4XXW

pith:2016:4KFW4XXWS36YE6UI4HCVD3OV5S

not attested not anchored not stored refs pending

Hybrid Discretization Methods for Transient Numerical Simulation of Combustion in Porous Media

Gerhard Summ, Peter Knabner

arxiv:1608.08817 v1 · 2016-08-31 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KFW4XXWS36YE6UI4HCVD3OV5S}

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	2026-05-18T01:06:39.822840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28b6e5ef696fd827a88e1c551edd5ecadf3439076a0d950d73b78c1a8a12b3c

Aliases

arxiv: 1608.08817 · arxiv_version: 1608.08817v1 · doi: 10.48550/arxiv.1608.08817 · pith_short_12: 4KFW4XXWS36Y · pith_short_16: 4KFW4XXWS36YE6UI · pith_short_8: 4KFW4XXW

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/4KFW4XXWS36YE6UI4HCVD3OV5S \
  | 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: e28b6e5ef696fd827a88e1c551edd5ecadf3439076a0d950d73b78c1a8a12b3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f748a56d52506a6635ae60ef53050c10a24278f3128396c2942bee786daaf84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-31T12:12:28Z",
    "title_canon_sha256": "0d4d3f259d6611cbbedf5147c1aa0850ff99290fcc9142fab430ca04ebd1220b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08817",
    "kind": "arxiv",
    "version": 1
  }
}