Pith Number

pith:GNDRV3BO

pith:2018:GNDRV3BOT454J2RBN3ETDHG6FU

not attested not anchored not stored refs pending

Block SOS Decomposition

Bican Xia, Haokun Li

arxiv:1801.07954 v2 · 2018-01-24 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GNDRV3BOT454J2RBN3ETDHG6FU}

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	2026-05-18T00:24:46.714365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33471aec2e9f3bc4ea216ec9319cde2d3cbc23aa2d438c7370886dbe3cc58de2

Aliases

arxiv: 1801.07954 · arxiv_version: 1801.07954v2 · doi: 10.48550/arxiv.1801.07954 · pith_short_12: GNDRV3BOT454 · pith_short_16: GNDRV3BOT454J2RB · pith_short_8: GNDRV3BO

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/GNDRV3BOT454J2RBN3ETDHG6FU \
  | 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: 33471aec2e9f3bc4ea216ec9319cde2d3cbc23aa2d438c7370886dbe3cc58de2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "304a2df422688aaf8726146845d3c08b58e949b65011b45cef346026e8082565",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2018-01-24T12:26:24Z",
    "title_canon_sha256": "55ca780d85bb65dde9cf6d7a1d77fb53c8a543b2e2991700c6c023492f431341"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07954",
    "kind": "arxiv",
    "version": 2
  }
}