Pith Number

pith:2QKP3ODG

pith:2015:2QKP3ODG2FIVDIE2TTBGDCSLBX

not attested not anchored not stored refs pending

Classification trees in a box extent lattice

Laura Veres

arxiv:1505.05109 v1 · 2015-05-19 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QKP3ODG2FIVDIE2TTBGDCSLBX}

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	2026-05-18T02:05:22.165086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d414fdb866d15151a09a9cc2618a4b0dc7957dd91ada924859243c77ea03b927

Aliases

arxiv: 1505.05109 · arxiv_version: 1505.05109v1 · doi: 10.48550/arxiv.1505.05109 · pith_short_12: 2QKP3ODG2FIV · pith_short_16: 2QKP3ODG2FIVDIE2 · pith_short_8: 2QKP3ODG

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/2QKP3ODG2FIVDIE2TTBGDCSLBX \
  | 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: d414fdb866d15151a09a9cc2618a4b0dc7957dd91ada924859243c77ea03b927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08418dd962da56605ec59f884de9dd8a96a3a369e38c06f2f088d82f708ca4f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-05-19T18:21:02Z",
    "title_canon_sha256": "4e994d4bf44aa68a6ffc2f72e212da748134fe0107f3e1366cfd23eb3372da6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05109",
    "kind": "arxiv",
    "version": 1
  }
}