Pith Number

pith:ZMBWSSWW

pith:2015:ZMBWSSWW22NTM3CG3BTJP5CVYJ

not attested not anchored not stored refs pending

The index of a string consisting of 4 blocks

Heping Zhang, Jianxin Wei

arxiv:1501.00377 v1 · 2015-01-02 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZMBWSSWW22NTM3CG3BTJP5CVYJ}

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	2026-05-18T02:30:09.351289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb03694ad6d69b366c46d86697f455c259d2e2784db9351483886eda1c22301f

Aliases

arxiv: 1501.00377 · arxiv_version: 1501.00377v1 · doi: 10.48550/arxiv.1501.00377 · pith_short_12: ZMBWSSWW22NT · pith_short_16: ZMBWSSWW22NTM3CG · pith_short_8: ZMBWSSWW

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/ZMBWSSWW22NTM3CG3BTJP5CVYJ \
  | 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: cb03694ad6d69b366c46d86697f455c259d2e2784db9351483886eda1c22301f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbd3e1d8eb06be29abc4e67dfe4705abca30b248290c21e3c08c87de6f3232d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-01-02T10:32:44Z",
    "title_canon_sha256": "68bea88b6142c00bed5e7130a4042f94bc450dd7a24a4e1cb5e9417acdcec83b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00377",
    "kind": "arxiv",
    "version": 1
  }
}