Pith Number

pith:TTYCNDFX

pith:2015:TTYCNDFXHE6JZDOQMTWXVJHCXE

not attested not anchored not stored refs pending

A note on the complexity of the causal ordering problem

Bernardo Gon\c{c}alves, Fabio Porto

arxiv:1508.05804 v2 · 2015-08-24 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TTYCNDFXHE6JZDOQMTWXVJHCXE}

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	2026-05-18T01:10:38.438888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cf0268cb7393c9c8dd064ed7aa4e2b93ff7e92d37955a47b9d17adc43f099e2

Aliases

arxiv: 1508.05804 · arxiv_version: 1508.05804v2 · doi: 10.48550/arxiv.1508.05804 · pith_short_12: TTYCNDFXHE6J · pith_short_16: TTYCNDFXHE6JZDOQ · pith_short_8: TTYCNDFX

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/TTYCNDFXHE6JZDOQMTWXVJHCXE \
  | 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: 9cf0268cb7393c9c8dd064ed7aa4e2b93ff7e92d37955a47b9d17adc43f099e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bf6d7f5112d0e7bd1a8edbaa0301ce001b826b86cd8f66b456ffee9d21f083c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-08-24T13:56:32Z",
    "title_canon_sha256": "0cf7b1093e183557343a0ba10bc55d57c80aa2cc5d411c35337866d342a9b1c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05804",
    "kind": "arxiv",
    "version": 2
  }
}