Pith Number

pith:BJK3OSDH

pith:2015:BJK3OSDHUDX6FXE3UJWP3DBNXF

not attested not anchored not stored refs pending

Disaster Monitoring with Wikipedia and Online Social Networking Sites: Structured Data and Linked Data Fragments to the Rescue?

Ruben Verborgh, Thomas Steiner

arxiv:1501.06329 v1 · 2015-01-26 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJK3OSDHUDX6FXE3UJWP3DBNXF}

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	2026-05-18T02:28:41.747782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a55b74867a0efe2dc9ba26cfd8c2db9471346046288b37628f72c2d61838239

Aliases

arxiv: 1501.06329 · arxiv_version: 1501.06329v1 · doi: 10.48550/arxiv.1501.06329 · pith_short_12: BJK3OSDHUDX6 · pith_short_16: BJK3OSDHUDX6FXE3 · pith_short_8: BJK3OSDH

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/BJK3OSDHUDX6FXE3UJWP3DBNXF \
  | 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: 0a55b74867a0efe2dc9ba26cfd8c2db9471346046288b37628f72c2d61838239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42f0033d4bba1179f949e6b9c8b201a28be81a3ccd1217e61fbd134f8ab3e538",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-01-26T10:58:20Z",
    "title_canon_sha256": "43f2632d553e29235c4160ebcaf13149333a4892b9446ecbb8fdc1a75e050c36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06329",
    "kind": "arxiv",
    "version": 1
  }
}