Pith Number

pith:JH4TLROM

pith:2015:JH4TLROMZIYWXHGRZVTXMNQWY2

not attested not anchored not stored refs pending

Second International Nurse Rostering Competition (INRC-II) --- Problem Description and Rules ---

Andrea Schaerf, Nguyen Thi Thanh Dang, Patrick De Causmaecker, Sara Ceschia, Stefaan Haspeslagh

arxiv:1501.04177 v1 · 2015-01-17 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JH4TLROMZIYWXHGRZVTXMNQWY2}

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	2026-05-18T02:29:09.853895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49f935c5ccca316b9cd1cd67763616c6aa00e48c315e929d06cbc98d95cb174d

Aliases

arxiv: 1501.04177 · arxiv_version: 1501.04177v1 · doi: 10.48550/arxiv.1501.04177 · pith_short_12: JH4TLROMZIYW · pith_short_16: JH4TLROMZIYWXHGR · pith_short_8: JH4TLROM

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/JH4TLROMZIYWXHGRZVTXMNQWY2 \
  | 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: 49f935c5ccca316b9cd1cd67763616c6aa00e48c315e929d06cbc98d95cb174d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d40fac8f3ad6de98d30bca53b7ed1d3271ac3320325083b3d14b615e0dbcab5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-01-17T09:06:08Z",
    "title_canon_sha256": "c24bd438168e83a6b759dbb769df21d24fa0719d5a91b3bd77b192c77a53611b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04177",
    "kind": "arxiv",
    "version": 1
  }
}