Pith Number

pith:P3T2EV4K

pith:2016:P3T2EV4KPVBTIS7XFFD7RHEVSV

not attested not anchored not stored refs pending

Can mobile usage predict illiteracy in a developing country?

P{\aa}l Sunds{\o}y

arxiv:1607.01337 v1 · 2016-07-05 · cs.AI · cs.CY · 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{P3T2EV4KPVBTIS7XFFD7RHEVSV}

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	2026-05-18T01:11:29.808029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ee7a2578a7d43344bf72947f89c959577b7dc3e02df904548c171c1eb71f025

Aliases

arxiv: 1607.01337 · arxiv_version: 1607.01337v1 · doi: 10.48550/arxiv.1607.01337 · pith_short_12: P3T2EV4KPVBT · pith_short_16: P3T2EV4KPVBTIS7X · pith_short_8: P3T2EV4K

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/P3T2EV4KPVBTIS7XFFD7RHEVSV \
  | 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: 7ee7a2578a7d43344bf72947f89c959577b7dc3e02df904548c171c1eb71f025

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f223e7edfe079db97cb40e7d90f555ee99f06b831392fc3850d5a31d152b3870",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-07-05T17:22:18Z",
    "title_canon_sha256": "e2b9331edcf82b248a0d86be14b1540659ca509a2ed11ba842fe329a938114d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01337",
    "kind": "arxiv",
    "version": 1
  }
}