Pith Number

pith:EPP5F2S5

pith:2014:EPP5F2S5WPXGMIU4GPD65LPBFZ

not attested not anchored not stored refs pending

Promises, Impositions, and other Directionals

Jan A. Bergstra, Mark Burgess

arxiv:1401.3381 v1 · 2014-01-14 · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPP5F2S5WPXGMIU4GPD65LPBFZ}

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	2026-05-18T03:02:09.465239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23dfd2ea5db3ee66229c33c7eeade12e7bdc20c180b7784a28cc3aec3bbe21ed

Aliases

arxiv: 1401.3381 · arxiv_version: 1401.3381v1 · doi: 10.48550/arxiv.1401.3381 · pith_short_12: EPP5F2S5WPXG · pith_short_16: EPP5F2S5WPXGMIU4 · pith_short_8: EPP5F2S5

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/EPP5F2S5WPXGMIU4GPD65LPBFZ \
  | 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: 23dfd2ea5db3ee66229c33c7eeade12e7bdc20c180b7784a28cc3aec3bbe21ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cb1a4aed9de2f67bc63ae4070c97898004ac9c04347d4aa9bdb166fa365f43b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2014-01-14T22:55:11Z",
    "title_canon_sha256": "b6151b9a76ba2d50fb7036c8b3adf1049d45d56bc849574f2cbfb944379b421f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3381",
    "kind": "arxiv",
    "version": 1
  }
}