Pith Number

pith:QRQPVCGO

pith:2019:QRQPVCGOWTNBEI5PK65GU52QHJ

not attested not anchored not stored refs pending

Data-driven reference model selection and application to L-DDC design

Charles Poussot-Vassal, Fabrice Demourant, Martine Olivi, Pauline Kergus

arxiv:1905.04003 v2 · 2019-05-10 · 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{QRQPVCGOWTNBEI5PK65GU52QHJ}

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	2026-05-17T23:44:47.223707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8460fa88ceb4da1223af57ba6a77503a592f7dda7c3264b0b8f26d93ef8f1b47

Aliases

arxiv: 1905.04003 · arxiv_version: 1905.04003v2 · doi: 10.48550/arxiv.1905.04003 · pith_short_12: QRQPVCGOWTNB · pith_short_16: QRQPVCGOWTNBEI5P · pith_short_8: QRQPVCGO

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/QRQPVCGOWTNBEI5PK65GU52QHJ \
  | 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: 8460fa88ceb4da1223af57ba6a77503a592f7dda7c3264b0b8f26d93ef8f1b47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82ab7b20c6c350a6546612cd780c97b87045ad609fcb9c683b67bf8446cf9a2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2019-05-10T08:17:42Z",
    "title_canon_sha256": "76e588c96cc47e20d0ee0e6bbbcdc09c0f9f1cedac1216641ebbd1e9d709541b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04003",
    "kind": "arxiv",
    "version": 2
  }
}