Pith Number

pith:SAJSXLDQ

pith:2013:SAJSXLDQLPBDJI43Z2CUV74OJJ

not attested not anchored not stored refs pending

Generation of solutions of the Hamilton-Jacobi equation

G.F. Torres del Castillo

arxiv:1309.4791 v1 · 2013-09-16 · physics.class-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{SAJSXLDQLPBDJI43Z2CUV74OJJ}

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	2026-05-18T03:12:57.316573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90132bac705bc234a39bce854aff8e4a7dc3be26cede2b6906687c882ee3b21b

Aliases

arxiv: 1309.4791 · arxiv_version: 1309.4791v1 · doi: 10.48550/arxiv.1309.4791 · pith_short_12: SAJSXLDQLPBD · pith_short_16: SAJSXLDQLPBDJI43 · pith_short_8: SAJSXLDQ

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/SAJSXLDQLPBDJI43Z2CUV74OJJ \
  | 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: 90132bac705bc234a39bce854aff8e4a7dc3be26cede2b6906687c882ee3b21b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2801e4debece2c16af7d4831d4084926a853c4778624c204461388a893661f57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-09-16T22:10:07Z",
    "title_canon_sha256": "86e3cb8ebbefaf00942edfc1787a9e6ed38ae7c773553c4e793afb542c70cb86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4791",
    "kind": "arxiv",
    "version": 1
  }
}