Pith Number

pith:2MJE2KEB

pith:2019:2MJE2KEBBB5FKPSFLSQZT4HIVV

not attested not anchored not stored refs pending

Re-factorising a QRT map

Nalini Joshi, Pavlos Kassotakis

arxiv:1906.00501 v1 · 2019-06-02 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MJE2KEBBB5FKPSFLSQZT4HIVV}

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	2026-05-17T23:44:26.910695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3124d2881087a553e455ca199f0e8ad552a0f307549bb8233e6a99eefeeba59

Aliases

arxiv: 1906.00501 · arxiv_version: 1906.00501v1 · doi: 10.48550/arxiv.1906.00501 · pith_short_12: 2MJE2KEBBB5F · pith_short_16: 2MJE2KEBBB5FKPSF · pith_short_8: 2MJE2KEB

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/2MJE2KEBBB5FKPSFLSQZT4HIVV \
  | 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: d3124d2881087a553e455ca199f0e8ad552a0f307549bb8233e6a99eefeeba59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b10b7696d7579aefd952886e9bacb6714a5491ea19abb5701ac87fa54afdd383",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2019-06-02T23:12:38Z",
    "title_canon_sha256": "85aac9d6648d7cf12ddd2cea515f11a60c56937dab54615b0d3b44e51f000493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00501",
    "kind": "arxiv",
    "version": 1
  }
}