Pith Number

pith:X4UMUJCZ

pith:2015:X4UMUJCZRMYY5USBCSET7WJR52

not attested not anchored not stored refs pending

Building Bridges into the Unknown: Personalizing Connections to Little-known Countries

Ingmar Weber, Javier Borge-Holthoefer, Yelena Mejova

arxiv:1501.06137 v1 · 2015-01-25 · cs.SI · cs.CY · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4UMUJCZRMYY5USBCSET7WJR52}

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	2026-05-18T02:28:42.272846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf28ca24598b318ed24114893fd931eea79e6c092b2a16192f4cd852effbdd3e

Aliases

arxiv: 1501.06137 · arxiv_version: 1501.06137v1 · doi: 10.48550/arxiv.1501.06137 · pith_short_12: X4UMUJCZRMYY · pith_short_16: X4UMUJCZRMYY5USB · pith_short_8: X4UMUJCZ

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/X4UMUJCZRMYY5USBCSET7WJR52 \
  | 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: bf28ca24598b318ed24114893fd931eea79e6c092b2a16192f4cd852effbdd3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25e47440a5cdfbe22f127de8fe674ab36db3c0f02c8a0afdb80ac6bfe4a84ec9",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-01-25T09:37:25Z",
    "title_canon_sha256": "41ffadb9a4c0831d73c723432a233075044b526ab62c0b6c3268118ac14bce96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06137",
    "kind": "arxiv",
    "version": 1
  }
}