Pith Number

pith:X3KIPRGQ

pith:2019:X3KIPRGQLSLVYHSWQHFXRZ4QKL

not attested not anchored not stored refs pending

Travelling wave mathematical analysis and efficient numerical resolution for a one-dimensional model of solid propellant combustion

Dmitry Davidenko, Jo\"el Dupays, Laurent Francois (CMAP), Marc Massot (CMAP)

arxiv:1912.13416 v2 · 2019-12-26 · math.AP · cs.NA · math.NA · physics.class-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{X3KIPRGQLSLVYHSWQHFXRZ4QKL}

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	2026-07-05T00:55:46.801763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bed487c4d05c975c1e5681cb78e79052f65efb1084798ab161e693109ac76512

Aliases

arxiv: 1912.13416 · arxiv_version: 1912.13416v2 · doi: 10.48550/arxiv.1912.13416 · pith_short_12: X3KIPRGQLSLV · pith_short_16: X3KIPRGQLSLVYHSW · pith_short_8: X3KIPRGQ

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/X3KIPRGQLSLVYHSWQHFXRZ4QKL \
  | 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: bed487c4d05c975c1e5681cb78e79052f65efb1084798ab161e693109ac76512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5b109a705cf81570bc0efbc7801c3646ad31f46912906949ed14d5583a9e41b",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-12-26T10:48:59Z",
    "title_canon_sha256": "74452167ee018eaff98103b0a84bdb9fecfd27d60c487c8d33f750e45e692d4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.13416",
    "kind": "arxiv",
    "version": 2
  }
}