Pith Number

pith:KCCVMG7G

pith:2015:KCCVMG7GG3ZWSA6QT6VHQPZIEZ

not attested not anchored not stored refs pending

Estimating Attendance From Cellular Network Data

Marco Mamei, Massimo Colonna

arxiv:1504.07385 v1 · 2015-04-28 · 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{KCCVMG7GG3ZWSA6QT6VHQPZIEZ}

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	2026-05-18T02:17:34.885367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5085561be636f36903d09faa783f282643cff8cac37bbec6d78c93115ba3c45f

Aliases

arxiv: 1504.07385 · arxiv_version: 1504.07385v1 · doi: 10.48550/arxiv.1504.07385 · pith_short_12: KCCVMG7GG3ZW · pith_short_16: KCCVMG7GG3ZWSA6Q · pith_short_8: KCCVMG7G

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/KCCVMG7GG3ZWSA6QT6VHQPZIEZ \
  | 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: 5085561be636f36903d09faa783f282643cff8cac37bbec6d78c93115ba3c45f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da1408cfc78e9310268850fb28c74fad18f1766fc7fee209cf4e5724793e5cb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-04-28T09:03:41Z",
    "title_canon_sha256": "453e8b0a028340e52e8c14d9b7bb964e1ce7bd5a56edf4d162340ce63e39fa4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07385",
    "kind": "arxiv",
    "version": 1
  }
}