Pith Number

pith:U2WCDPQZ

pith:2016:U2WCDPQZFZUMMGF5DGFEITRBBT

not attested not anchored not stored refs pending

Sign-Compute-Resolve for Tree Splitting Random Access

Cedomir Stefanovic, Jasper Goseling, Petar Popovski

arxiv:1602.02612 v2 · 2016-02-08 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2WCDPQZFZUMMGF5DGFEITRBBT}

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	2026-05-18T00:15:52.880522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ac21be192e68c618bd198a444e210cfeddea9f9455d9cd6f9cc84f4499faa8

Aliases

arxiv: 1602.02612 · arxiv_version: 1602.02612v2 · doi: 10.48550/arxiv.1602.02612 · pith_short_12: U2WCDPQZFZUM · pith_short_16: U2WCDPQZFZUMMGF5 · pith_short_8: U2WCDPQZ

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/U2WCDPQZFZUMMGF5DGFEITRBBT \
  | 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: a6ac21be192e68c618bd198a444e210cfeddea9f9455d9cd6f9cc84f4499faa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3bd22b7727aa7f9a7f25c30b3b35eb4721490ca9eb98712ae2077b5a83f74be",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-02-08T15:45:31Z",
    "title_canon_sha256": "a957a40be6d47571c8dd008ee840b28c3d7e7bd817d175d0be1c8efd6811f123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02612",
    "kind": "arxiv",
    "version": 2
  }
}