Pith Number

pith:NHIRJGOA

pith:2019:NHIRJGOAOWEVKRGAWH5NLPQST3

not attested not anchored not stored refs pending

Effective state as compatibility between agents

Cristhiano Duarte

arxiv:1908.04432 v1 · 2019-08-12 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHIRJGOAOWEVKRGAWH5NLPQST3}

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	2026-07-04T23:55:13.696150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69d11499c075895544c0b1fad5be129efbaacb94d7fc2e3851d38bec391f9636

Aliases

arxiv: 1908.04432 · arxiv_version: 1908.04432v1 · doi: 10.48550/arxiv.1908.04432 · pith_short_12: NHIRJGOAOWEV · pith_short_16: NHIRJGOAOWEVKRGA · pith_short_8: NHIRJGOA

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/NHIRJGOAOWEVKRGAWH5NLPQST3 \
  | 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: 69d11499c075895544c0b1fad5be129efbaacb94d7fc2e3851d38bec391f9636

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d36a0f72e6cbd76ac63cc4e04924d82885950883a9dad12d315d3a98b4e5297c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-12T22:47:09Z",
    "title_canon_sha256": "2f7bae33ede87d0a7f33b4fc538d0754e513c72585e99fe2c48c9e5f6d7f1cf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04432",
    "kind": "arxiv",
    "version": 1
  }
}