Pith Number

pith:2IKDCPMX

pith:2016:2IKDCPMXWL7ILGY7GAN6QQ5NUG

not attested not anchored not stored refs pending

Space-Efficient Latent Contracts

Michael Greenberg

arxiv:1604.02474 v4 · 2016-04-08 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IKDCPMXWL7ILGY7GAN6QQ5NUG}

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	2026-05-18T00:43:02.954641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d214313d97b2fe859b1f301be843ada19f8e382a38e992143127760fcefbf65e

Aliases

arxiv: 1604.02474 · arxiv_version: 1604.02474v4 · doi: 10.48550/arxiv.1604.02474 · pith_short_12: 2IKDCPMXWL7I · pith_short_16: 2IKDCPMXWL7ILGY7 · pith_short_8: 2IKDCPMX

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/2IKDCPMXWL7ILGY7GAN6QQ5NUG \
  | 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: d214313d97b2fe859b1f301be843ada19f8e382a38e992143127760fcefbf65e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e58ca97a284505fa0e71fd91a41a07e7af4c1e63669b5918ef333a1146340c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-04-08T20:30:12Z",
    "title_canon_sha256": "662e74ac1da9f61df1990ae4a40b96b90407cf2695fba9873684a545ede7dfea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02474",
    "kind": "arxiv",
    "version": 4
  }
}