Pith Number

pith:PQKJSUIB

pith:2014:PQKJSUIBRZLFOU4AVTD2JSSF7S

not attested not anchored not stored refs pending

Advection diffusion equation with absorbing boundary

John Grant, Michael Wilkinson

arxiv:1412.4720 v1 · 2014-12-15 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQKJSUIBRZLFOU4AVTD2JSSF7S}

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	2026-05-18T02:04:02.272700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c149951018e56575380acc7a4ca45fcb1122e2d244a62032565fd4a4d53b45a

Aliases

arxiv: 1412.4720 · arxiv_version: 1412.4720v1 · doi: 10.48550/arxiv.1412.4720 · pith_short_12: PQKJSUIBRZLF · pith_short_16: PQKJSUIBRZLFOU4A · pith_short_8: PQKJSUIB

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/PQKJSUIBRZLFOU4AVTD2JSSF7S \
  | 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: 7c149951018e56575380acc7a4ca45fcb1122e2d244a62032565fd4a4d53b45a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d65c4cda1e82f437d7e6a6e079674a44cb142980fbc69ab49ac2dc4d3d74c25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2014-12-15T19:00:18Z",
    "title_canon_sha256": "91f07a884552436667fc207cfa815a2195c4440a8248624ffb2879c1872947bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4720",
    "kind": "arxiv",
    "version": 1
  }
}