Pith Number

pith:MYJ2IJCU

pith:2015:MYJ2IJCUNREZERP6UX5FJE6OMN

not attested not anchored not stored refs pending

Associative Arrays: Unified Mathematics for Spreadsheets, Databases, Matrices, and Graphs

Hayden Jansen, Jeremy Kepner, Julian Chaidez, Vijay Gadepally

arxiv:1501.05709 v1 · 2015-01-23 · cs.DB · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYJ2IJCUNREZERP6UX5FJE6OMN}

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	2026-05-18T02:28:53.504513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6613a424546c499245fea5fa5493ce63544750e10474ea8da1a80cd9dca58b19

Aliases

arxiv: 1501.05709 · arxiv_version: 1501.05709v1 · doi: 10.48550/arxiv.1501.05709 · pith_short_12: MYJ2IJCUNREZ · pith_short_16: MYJ2IJCUNREZERP6 · pith_short_8: MYJ2IJCU

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/MYJ2IJCUNREZERP6UX5FJE6OMN \
  | 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: 6613a424546c499245fea5fa5493ce63544750e10474ea8da1a80cd9dca58b19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99e9f9e224adbbf6a8ecffe4b3b32e0132a3fe1381454eda9dcc7545094d3ade",
    "cross_cats_sorted": [
      "cs.MS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-01-23T04:16:04Z",
    "title_canon_sha256": "acda75cb763502a5cf78aeed260dcdca8d812ec47382de0e86f06a3e6f9600bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05709",
    "kind": "arxiv",
    "version": 1
  }
}