Pith Number

pith:SMYYK2V5

pith:2012:SMYYK2V5QY2TDWZCSNXCC6SAZS

not attested not anchored not stored refs pending

Symplectic finite-difference methods for solving partial differential equations

Siu A. Chin

arxiv:1206.1743 v1 · 2012-06-08 · math.NA · 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{SMYYK2V5QY2TDWZCSNXCC6SAZS}

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	2026-05-18T03:53:55.560969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9331856abd863531db22936e217a40cc968cfdfea06c4ec3016adc5fdaa019f3

Aliases

arxiv: 1206.1743 · arxiv_version: 1206.1743v1 · doi: 10.48550/arxiv.1206.1743 · pith_short_12: SMYYK2V5QY2T · pith_short_16: SMYYK2V5QY2TDWZC · pith_short_8: SMYYK2V5

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/SMYYK2V5QY2TDWZCSNXCC6SAZS \
  | 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: 9331856abd863531db22936e217a40cc968cfdfea06c4ec3016adc5fdaa019f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2452c6cf5a902b23320f8232dc3ff0b531bcc075b2a93a73c62dc44cbcf9bf4f",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-06-08T12:20:03Z",
    "title_canon_sha256": "39f8437964dffe2d71f48ad42fb7b90cdfd87bc5ccc2516d00a2e795629f692e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1743",
    "kind": "arxiv",
    "version": 1
  }
}