Pith Number

pith:WLBIR2VI

pith:2015:WLBIR2VISI7EWVIGWDHHTU7NZ6

not attested not anchored not stored refs pending

Map++: A Crowd-sensing System for Automatic Map Semantics Identification

Anas Basalamah, Heba Aly, Moustafa Youssef

arxiv:1507.08956 v1 · 2015-07-31 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLBIR2VISI7EWVIGWDHHTU7NZ6}

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	2026-05-18T01:36:02.511723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2c288eaa8923e4b5506b0ce79d3edcf9ce6aa42ed58c39626571f0f7658e4ea

Aliases

arxiv: 1507.08956 · arxiv_version: 1507.08956v1 · doi: 10.48550/arxiv.1507.08956 · pith_short_12: WLBIR2VISI7E · pith_short_16: WLBIR2VISI7EWVIG · pith_short_8: WLBIR2VI

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/WLBIR2VISI7EWVIGWDHHTU7NZ6 \
  | 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: b2c288eaa8923e4b5506b0ce79d3edcf9ce6aa42ed58c39626571f0f7658e4ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67bf4a3dc5c7ee1e4771f23074681aba10544e8f1778b52bc8ec0e4cb91cee59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-07-31T17:39:54Z",
    "title_canon_sha256": "6a683eb75eecfa29976c9c490c6a8fb752ccffc3d31bd1a0cbc014de5c5e25ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08956",
    "kind": "arxiv",
    "version": 1
  }
}