Pith Number

pith:Z5COGKCQ

pith:2013:Z5COGKCQIWZYOC4C2PUQ4CVC3E

not attested not anchored not stored refs pending

On the difficulties of acquiring mathematical experience: Case rural education

Bernhelm Booss-Bavnbek

arxiv:1312.2125 v1 · 2013-12-07 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5COGKCQIWZYOC4C2PUQ4CVC3E}

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	2026-05-18T03:05:17.211194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf44e3285045b3870b82d3e90e0aa2d933a271f89b550d3cbd1ded95d4cab33e

Aliases

arxiv: 1312.2125 · arxiv_version: 1312.2125v1 · doi: 10.48550/arxiv.1312.2125 · pith_short_12: Z5COGKCQIWZY · pith_short_16: Z5COGKCQIWZYOC4C · pith_short_8: Z5COGKCQ

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/Z5COGKCQIWZYOC4C2PUQ4CVC3E \
  | 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: cf44e3285045b3870b82d3e90e0aa2d933a271f89b550d3cbd1ded95d4cab33e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2f120203c159e0beb0aacfcf9ba33e5c1901acf1fb3f57c2e7ad4b9c25da264",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2013-12-07T18:47:16Z",
    "title_canon_sha256": "62ed531bfb0d5abbbfd67f58ecb03eb3599dda7c3b6c4110b2792f0d5b44823a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2125",
    "kind": "arxiv",
    "version": 1
  }
}