Pith Number

pith:Y66NNOCH

pith:2015:Y66NNOCHHLZBPLYG63E67PGDRL

not attested not anchored not stored refs pending

Xoxa: a lightweight approach to normalizing and signing XML

Norman Gray

arxiv:1505.04437 v1 · 2015-05-17 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y66NNOCHHLZBPLYG63E67PGDRL}

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	2026-05-18T02:07:25.430737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7bcd6b8473af217af06f6c9efbcc38aea98b70107d0e2d6aafe8fc201e6b93b

Aliases

arxiv: 1505.04437 · arxiv_version: 1505.04437v1 · doi: 10.48550/arxiv.1505.04437 · pith_short_12: Y66NNOCHHLZB · pith_short_16: Y66NNOCHHLZBPLYG · pith_short_8: Y66NNOCH

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/Y66NNOCHHLZBPLYG63E67PGDRL \
  | 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: c7bcd6b8473af217af06f6c9efbcc38aea98b70107d0e2d6aafe8fc201e6b93b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f190f9f6aa6d96a7b91eb7a056662213a85550ccf07dd9070bee0f343695b2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-05-17T19:18:04Z",
    "title_canon_sha256": "ab3d9d1c9c28eabfce4199cb56e9fcb17fd782b33b0630564b67bb58cef08387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04437",
    "kind": "arxiv",
    "version": 1
  }
}