Pith Number

pith:7P2COIN3

pith:2019:7P2COIN3PI2ULA66LA5YZYBFZJ

not attested not anchored not stored refs pending

A Weighted Least-Squares Transport Equation Compatible with Source Iteration and Voids

Hans Hammer, Jim Morel, Yaqi Wang

arxiv:1902.08729 v1 · 2019-02-23 · physics.comp-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{7P2COIN3PI2ULA66LA5YZYBFZJ}

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	2026-05-17T23:52:50.150380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf42721bb7a354583de583b8ce025ca47cfffb22e2ebaaee1ba45f34f7b225b

Aliases

arxiv: 1902.08729 · arxiv_version: 1902.08729v1 · doi: 10.48550/arxiv.1902.08729 · pith_short_12: 7P2COIN3PI2U · pith_short_16: 7P2COIN3PI2ULA66 · pith_short_8: 7P2COIN3

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/7P2COIN3PI2ULA66LA5YZYBFZJ \
  | 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: fbf42721bb7a354583de583b8ce025ca47cfffb22e2ebaaee1ba45f34f7b225b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f757cd999a0567abd26bd8e715f429347792100d083c7cea6b0f9bc74245c17f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-02-23T03:41:40Z",
    "title_canon_sha256": "34fdeb12acaa2cda27469e567267de9fc6b9ae122c0ffc8a8c4370a888f21f6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08729",
    "kind": "arxiv",
    "version": 1
  }
}