Pith Number

pith:66F523H6

pith:2018:66F523H6O4WBQGM5JSDKENPXFJ

not attested not anchored not stored refs pending

An Observable Canonical Form for a Rational System on a Variety

Jana Nemcova, Jan H. van Schuppen

arxiv:1805.01814 v1 · 2018-05-04 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66F523H6O4WBQGM5JSDKENPXFJ}

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	2026-05-18T00:16:46.620131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f78bdd6cfe772c18199d4c86a235f72a653bc947385756e00f8f232d1d467387

Aliases

arxiv: 1805.01814 · arxiv_version: 1805.01814v1 · doi: 10.48550/arxiv.1805.01814 · pith_short_12: 66F523H6O4WB · pith_short_16: 66F523H6O4WBQGM5 · pith_short_8: 66F523H6

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/66F523H6O4WBQGM5JSDKENPXFJ \
  | 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: f78bdd6cfe772c18199d4c86a235f72a653bc947385756e00f8f232d1d467387

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d0f3898246fc300dcc61cc108e017e62d493811fd83ffda88ec0ad3fe9293e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-05-04T15:00:29Z",
    "title_canon_sha256": "f58d6284368d17d71c5b7f0841d9141e6d5a1e90c2ade3314b128047bb8c238c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01814",
    "kind": "arxiv",
    "version": 1
  }
}