Pith Number

pith:3YF5ARXN

pith:2012:3YF5ARXNJL5L74I5ER2H743SQ2

not attested not anchored not stored refs pending

Efficient Reachability Query Evaluation in Large Spatiotemporal Contact Datasets

Cyrus Shahabi, Farnoush Banaei Kashani, Houtan Shirani-Mehr

arxiv:1205.6696 v1 · 2012-05-30 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3YF5ARXNJL5L74I5ER2H743SQ2}

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	2026-05-18T03:54:38.170372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de0bd046ed4afabff11d24747ff372868245205e1f87c6395cdbc65f578c5ea6

Aliases

arxiv: 1205.6696 · arxiv_version: 1205.6696v1 · doi: 10.48550/arxiv.1205.6696 · pith_short_12: 3YF5ARXNJL5L · pith_short_16: 3YF5ARXNJL5L74I5 · pith_short_8: 3YF5ARXN

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/3YF5ARXNJL5L74I5ER2H743SQ2 \
  | 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: de0bd046ed4afabff11d24747ff372868245205e1f87c6395cdbc65f578c5ea6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d87174782fd493adb5a6e3b22542dbae14aa44ac5cb1ddbdaa271f9d90ad71e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-05-30T14:33:01Z",
    "title_canon_sha256": "874d6fcd6d6212cee44d2481e99e425fbc4b2b05095a44e07a95f55ccea88f42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6696",
    "kind": "arxiv",
    "version": 1
  }
}