Pith Number

pith:PMQOEP5I

pith:2016:PMQOEP5I7WPZW37YM4H7C2NPMS

not attested not anchored not stored refs pending

Finite Computational Structures and Implementations

Attila Egri-Nagy

arxiv:1610.05849 v1 · 2016-10-19 · cs.OH · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMQOEP5I7WPZW37YM4H7C2NPMS}

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	2026-05-18T01:01:50.945805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b20e23fa8fd9f9b6ff8670ff169af6487fabc168f23f03457db9b755b97b45e

Aliases

arxiv: 1610.05849 · arxiv_version: 1610.05849v1 · doi: 10.48550/arxiv.1610.05849 · pith_short_12: PMQOEP5I7WPZ · pith_short_16: PMQOEP5I7WPZW37Y · pith_short_8: PMQOEP5I

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/PMQOEP5I7WPZW37YM4H7C2NPMS \
  | 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: 7b20e23fa8fd9f9b6ff8670ff169af6487fabc168f23f03457db9b755b97b45e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56e2dbdbc1037ee81b1c048e4d8317c90f2b1b70fd02e98742209c807b6e980c",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2016-10-19T02:25:50Z",
    "title_canon_sha256": "029bc75bb523b138355e3e7fb9971250335741ed0ec8e632573e6df2ca95da42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05849",
    "kind": "arxiv",
    "version": 1
  }
}