Pith Number

pith:XXJDNN5Z

pith:2018:XXJDNN5ZPSRNBYZGNM27B4CDBZ

not attested not anchored not stored refs pending

Simple bespoke preservation of two conservation laws

Gianluca Frasca-Caccia, Peter E. Hydon

arxiv:1805.03181 v3 · 2018-05-08 · 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{XXJDNN5ZPSRNBYZGNM27B4CDBZ}

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	2026-05-17T23:58:30.856350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdd236b7b97ca2d0e3266b35f0f0430e4cc0a7b68be0e928f7ee9e0bd801cab5

Aliases

arxiv: 1805.03181 · arxiv_version: 1805.03181v3 · doi: 10.48550/arxiv.1805.03181 · pith_short_12: XXJDNN5ZPSRN · pith_short_16: XXJDNN5ZPSRNBYZG · pith_short_8: XXJDNN5Z

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/XXJDNN5ZPSRNBYZGNM27B4CDBZ \
  | 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: bdd236b7b97ca2d0e3266b35f0f0430e4cc0a7b68be0e928f7ee9e0bd801cab5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c209b0756325d312d277196cc58ebefca265fe7eaaca8e102e73810a039b18e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-08T17:33:19Z",
    "title_canon_sha256": "71b1d75e6ea9bf43807f4f48f90053ef822c16c0d33ed776ab5e895e4cfaa07e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03181",
    "kind": "arxiv",
    "version": 3
  }
}