Pith Number

pith:HPMGPOD5

pith:2011:HPMGPOD5UEVHDQKWC4HLBQRHFI

not attested not anchored not stored refs pending

Incremental Learning with Accuracy Prediction of Social and Individual Properties from Mobile-Phone Data

Alex Pentland, Michael Fire, Nadav Aharony, Yaniv Altshuler, Yuval Elovici

arxiv:1111.4645 v1 · 2011-11-20 · 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{HPMGPOD5UEVHDQKWC4HLBQRHFI}

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	2026-05-18T04:08:02.927186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bd867b87da12a71c156170eb0c2272a365a2aca6b0bbdb720c5d548ca585824

Aliases

arxiv: 1111.4645 · arxiv_version: 1111.4645v1 · doi: 10.48550/arxiv.1111.4645 · pith_short_12: HPMGPOD5UEVH · pith_short_16: HPMGPOD5UEVHDQKW · pith_short_8: HPMGPOD5

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/HPMGPOD5UEVHDQKWC4HLBQRHFI \
  | 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: 3bd867b87da12a71c156170eb0c2272a365a2aca6b0bbdb720c5d548ca585824

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebb753a5cc28e276d57886e0ca003f399f5d8908f212bc97b507b40aac7a2e2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2011-11-20T16:10:53Z",
    "title_canon_sha256": "eae046a0aa4b07dcdda56e6d893034323b5d1020b1315652a7739bcadea907a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4645",
    "kind": "arxiv",
    "version": 1
  }
}