Pith Number

pith:QTBJR2Q4

pith:2018:QTBJR2Q44JTFJKG6ZUWEA2VA2X

not attested not anchored not stored refs pending

A boundary-integral framework to simulate viscous erosion of a porous medium

Bryan D. Quaife, M. Nicholas J. Moore

arxiv:1804.06016 v1 · 2018-04-17 · 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{QTBJR2Q44JTFJKG6ZUWEA2VA2X}

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	2026-05-18T00:04:58.911262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84c298ea1ce26654a8decd2c406aa0d5f2c342603a2f76966cd124f7df815bf3

Aliases

arxiv: 1804.06016 · arxiv_version: 1804.06016v1 · doi: 10.48550/arxiv.1804.06016 · pith_short_12: QTBJR2Q44JTF · pith_short_16: QTBJR2Q44JTFJKG6 · pith_short_8: QTBJR2Q4

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/QTBJR2Q44JTFJKG6ZUWEA2VA2X \
  | 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: 84c298ea1ce26654a8decd2c406aa0d5f2c342603a2f76966cd124f7df815bf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e04fbb246ec8e8531f7476149a72bf561b9f75e27d66217f44470007a831934",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-17T02:15:12Z",
    "title_canon_sha256": "7833bfef7356ec228b5452a214584f526dea5ca4cd1e374da27c93ed2632c8bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06016",
    "kind": "arxiv",
    "version": 1
  }
}