Pith Number

pith:FRMD32IW

pith:2017:FRMD32IW5MDUIWHQQTUGFAHGJG

not attested not anchored not stored refs pending

On structure-preserving model reduction for damped wave propagation in transport networks

Bj\"orn Liljegren-Sailer, Herbert Egger, Nicole Marheineke, Thomas Kugler, Volker Mehrmann

arxiv:1704.03206 v1 · 2017-04-11 · 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{FRMD32IW5MDUIWHQQTUGFAHGJG}

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	2026-05-18T00:46:33.171630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c583de916eb074458f084e86280e649b43e69f6a857220c48af69118b33f60f

Aliases

arxiv: 1704.03206 · arxiv_version: 1704.03206v1 · doi: 10.48550/arxiv.1704.03206 · pith_short_12: FRMD32IW5MDU · pith_short_16: FRMD32IW5MDUIWHQ · pith_short_8: FRMD32IW

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/FRMD32IW5MDUIWHQQTUGFAHGJG \
  | 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: 2c583de916eb074458f084e86280e649b43e69f6a857220c48af69118b33f60f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c00cf383b409c5b1053bda3d2ae87aaa60ebb3bab6442842d6a8a583ab6b28f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-11T09:09:10Z",
    "title_canon_sha256": "5eb9b187a358491236d20d8ebcda6b0da13058e372dbb9d17de590ca94da8dc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03206",
    "kind": "arxiv",
    "version": 1
  }
}