Pith Number

pith:BW2LTIKC

pith:2018:BW2LTIKCKSAZRIBTQ6FP6RRT5L

not attested not anchored not stored refs pending

The conformable fractional grey system model

Bo Zeng, Wenqing Wu, Xin Ma, Xinxing Wu, Yong Wang

arxiv:1805.01789 v3 · 2018-05-04 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BW2LTIKCKSAZRIBTQ6FP6RRT5L}

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	2026-05-17T23:41:27.715694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0db4b9a142548198a033878aff4633eaf103ca506fc7f1d50306c0606ce68d9c

Aliases

arxiv: 1805.01789 · arxiv_version: 1805.01789v3 · doi: 10.48550/arxiv.1805.01789 · pith_short_12: BW2LTIKCKSAZ · pith_short_16: BW2LTIKCKSAZRIBT · pith_short_8: BW2LTIKC

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/BW2LTIKCKSAZRIBTQ6FP6RRT5L \
  | 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: 0db4b9a142548198a033878aff4633eaf103ca506fc7f1d50306c0606ce68d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "860d2ddffc921bda96421b466f338485438a115da25903cc9608da0c4496447d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-05-04T13:59:59Z",
    "title_canon_sha256": "e950ad2d332fb903095ad448616d2776dc7b033e26e4d558471263b6e7801dc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01789",
    "kind": "arxiv",
    "version": 3
  }
}