Pith Number

pith:XDHWY5LV

pith:2013:XDHWY5LVUZGAHPD7R36HSYI7YP

not attested not anchored not stored refs pending

Modeling complex systems by Generalized Factor Analysis

Giorgio Picci, Giulio Bottegal

arxiv:1301.2498 v3 · 2013-01-11 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDHWY5LVUZGAHPD7R36HSYI7YP}

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	2026-05-18T02:55:36.517457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8cf6c7575a64c03bc7f8efc79611fc3dd94ff1ecc97ba61864c1c12d4db6a97

Aliases

arxiv: 1301.2498 · arxiv_version: 1301.2498v3 · doi: 10.48550/arxiv.1301.2498 · pith_short_12: XDHWY5LVUZGA · pith_short_16: XDHWY5LVUZGAHPD7 · pith_short_8: XDHWY5LV

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/XDHWY5LVUZGAHPD7R36HSYI7YP \
  | 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: b8cf6c7575a64c03bc7f8efc79611fc3dd94ff1ecc97ba61864c1c12d4db6a97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c0be801e2b6d165ffc634c55dcbae4bb48eb020bef02d95a4c3f053588bbb35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-01-11T13:53:46Z",
    "title_canon_sha256": "10dac0f9c388333a540b436f2822b646c202cb773edcedb6885b878bd31d4073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2498",
    "kind": "arxiv",
    "version": 3
  }
}