Pith Number

pith:AECPGZVJ

pith:2012:AECPGZVJEVKUJSM75SILFLCTG7

not attested not anchored not stored refs pending

Tree models for difference and change detection in a complex environment

Ilze Ziedins, Mark Holmes, Neil Challands, Yong Wang

arxiv:1202.1561 v2 · 2012-02-07 · stat.ME · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AECPGZVJEVKUJSM75SILFLCTG7}

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	2026-05-18T03:44:33.717816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0104f366a9255544c99fec90b2ac5337f4f7791f6b431a50fe29aeae4256e83e

Aliases

arxiv: 1202.1561 · arxiv_version: 1202.1561v2 · doi: 10.48550/arxiv.1202.1561 · pith_short_12: AECPGZVJEVKU · pith_short_16: AECPGZVJEVKUJSM7 · pith_short_8: AECPGZVJ

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/AECPGZVJEVKUJSM75SILFLCTG7 \
  | 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: 0104f366a9255544c99fec90b2ac5337f4f7791f6b431a50fe29aeae4256e83e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c7da1b28ac01ac03583f9e42ca3a2a5f1d0d850779dd7bee1bbe6aee4f6aee2",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2012-02-07T23:28:39Z",
    "title_canon_sha256": "caf69d9d105652f71ed35eabaddf9ec228fba7367832ad6682560d238e80e0ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1561",
    "kind": "arxiv",
    "version": 2
  }
}