Pith Number

pith:QFGCVJBF

pith:2026:QFGCVJBFQ7LMHTSMQ5K7WN5HSM

not attested not anchored not stored refs pending

Structural Change Detection in Dynamic Systems

Fang Yao, Wei Zhang

arxiv:2606.27614 v1 · 2026-06-26 · 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{QFGCVJBFQ7LMHTSMQ5K7WN5HSM}

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	2026-06-29T00:14:11.862588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

814c2aa42587d6c3ce4c8755fb37a7932e65070d069c526066b13b0b5e705f29

Aliases

arxiv: 2606.27614 · arxiv_version: 2606.27614v1 · doi: 10.48550/arxiv.2606.27614 · pith_short_12: QFGCVJBFQ7LM · pith_short_16: QFGCVJBFQ7LMHTSM · pith_short_8: QFGCVJBF

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/QFGCVJBFQ7LMHTSMQ5K7WN5HSM \
  | 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: 814c2aa42587d6c3ce4c8755fb37a7932e65070d069c526066b13b0b5e705f29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67d2fbd323150738aa5b3be8db8ee507f1e9816cbb5a5e4d54da2011c50cddf3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-26T00:08:03Z",
    "title_canon_sha256": "887c05551d88400460d7b18e861536877214a9b0cb2d0612f5b9990a4e1e0ffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27614",
    "kind": "arxiv",
    "version": 1
  }
}