Pith Number

pith:NLAIEUNR

pith:2025:NLAIEUNR5LXDRMPRTJSLMMRVIQ

not attested not anchored not stored refs pending

Metadata-private Messaging without Coordination

Cong Wang, Lei Xu, Peipei Jiang, Peiyuan Chen, Qian Wang, Wentao Dong, Xiaohua Jia, Yihao Wu, Yulong Ming

arxiv:2504.19566 v1 · 2025-04-28 · 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{NLAIEUNR5LXDRMPRTJSLMMRVIQ}

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	2026-07-05T10:54:59.787024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ac08251b1eaee38b1f19a64b6323544084a4613ec3be39fa4f4fa410cf2cdc1

Aliases

arxiv: 2504.19566 · arxiv_version: 2504.19566v1 · doi: 10.48550/arxiv.2504.19566 · pith_short_12: NLAIEUNR5LXD · pith_short_16: NLAIEUNR5LXDRMPR · pith_short_8: NLAIEUNR

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/NLAIEUNR5LXDRMPRTJSLMMRVIQ \
  | 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: 6ac08251b1eaee38b1f19a64b6323544084a4613ec3be39fa4f4fa410cf2cdc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5574e69f31b9854cc518347f4290d9e769b8954e5d026304b545401f8bd79598",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-04-28T08:21:16Z",
    "title_canon_sha256": "afc4608697d8bd8364adaeb8fe2877a85b4d47b4951ed0a2d66f91d073e758df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19566",
    "kind": "arxiv",
    "version": 1
  }
}