Pith Number

pith:SOITXH6P

pith:2020:SOITXH6P43MTBN3LYE67QUAFUI

not attested not anchored not stored refs pending

Holistic Specifications for Robust Programs

James Noble, Julian Mackay, Sophia Drossopoulou, Susan Eisenbach

arxiv:2002.08334 v1 · 2020-02-19 · 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{SOITXH6P43MTBN3LYE67QUAFUI}

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	2026-07-05T00:42:28.391563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93913b9fcfe6d930b76bc13df85005a22522bf4078ee08e071e7a4ce44a188c0

Aliases

arxiv: 2002.08334 · arxiv_version: 2002.08334v1 · doi: 10.48550/arxiv.2002.08334 · pith_short_12: SOITXH6P43MT · pith_short_16: SOITXH6P43MTBN3L · pith_short_8: SOITXH6P

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/SOITXH6P43MTBN3LYE67QUAFUI \
  | 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: 93913b9fcfe6d930b76bc13df85005a22522bf4078ee08e071e7a4ce44a188c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "541cbfc094d98e0a6a144f81073eddc98f6ab091a74ed75caf983a30ec8f2f24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2020-02-19T18:19:32Z",
    "title_canon_sha256": "bcbf4bb178ba759b5bf6820b578db57b6772dad9427b8f8c42c96d424938970b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08334",
    "kind": "arxiv",
    "version": 1
  }
}