Pith Number

pith:3BUGX33A

pith:2016:3BUGX33AJOV3QN3AYEU335TWZ5

not attested not anchored not stored refs pending

Abstract Graph Machine

Andrew Lumsdaine, Marcin Zalewski, Thejaka Amila Kanewala

arxiv:1604.04772 v2 · 2016-04-16 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3BUGX33AJOV3QN3AYEU335TWZ5}

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	2026-05-18T01:16:04.706255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8686bef604babb83760c129bdf676cf5a94ce964da27c22818c1aef5b94f979

Aliases

arxiv: 1604.04772 · arxiv_version: 1604.04772v2 · doi: 10.48550/arxiv.1604.04772 · pith_short_12: 3BUGX33AJOV3 · pith_short_16: 3BUGX33AJOV3QN3A · pith_short_8: 3BUGX33A

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/3BUGX33AJOV3QN3AYEU335TWZ5 \
  | 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: d8686bef604babb83760c129bdf676cf5a94ce964da27c22818c1aef5b94f979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adfd98466d89bf00c021de6595b8601f02425eb6edbe406dfed47c6e61c5850b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2016-04-16T16:26:29Z",
    "title_canon_sha256": "4f79fcdbc9341c7bc9a5d4b77449a21b619406d79f85ded5d8f1c1b844686470"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04772",
    "kind": "arxiv",
    "version": 2
  }
}