Pith Number

pith:S3GQ2PLM

pith:2019:S3GQ2PLMC4QIVE6WBEXITUEELI

not attested not anchored not stored refs pending

Pattern formation with pde2path -- a tutorial

Hannes Uecker

arxiv:1908.05211 v3 · 2019-08-02 · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S3GQ2PLMC4QIVE6WBEXITUEELI}

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	2026-07-05T00:58:04.227599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96cd0d3d6c17208a93d6092e89d0845a31f22479ab86fd89def8997e30b43dad

Aliases

arxiv: 1908.05211 · arxiv_version: 1908.05211v3 · doi: 10.48550/arxiv.1908.05211 · pith_short_12: S3GQ2PLMC4QI · pith_short_16: S3GQ2PLMC4QIVE6W · pith_short_8: S3GQ2PLM

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/S3GQ2PLMC4QIVE6WBEXITUEELI \
  | 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: 96cd0d3d6c17208a93d6092e89d0845a31f22479ab86fd89def8997e30b43dad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ea6362eaba5b4362778e96746f69a81463dcb7476758ca3e87da979e22e8d43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2019-08-02T13:41:48Z",
    "title_canon_sha256": "d5fdb2ad280a0d183e393e6d6fde5e271f68467f650782f1214a60f5dc5c1ed5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05211",
    "kind": "arxiv",
    "version": 3
  }
}