Pith Number

pith:BFSUIJ2O

pith:2015:BFSUIJ2OPCMIDYNCS5TN3AUIM7

not attested not anchored not stored refs pending

Computation across the curriculum: What skills are needed?

Marcos D. Caballero

arxiv:1507.00533 v2 · 2015-07-02 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFSUIJ2OPCMIDYNCS5TN3AUIM7}

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	2026-05-18T01:26:42.448832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

096544274e789881e1a29766dd828867dfa1c97bd3b803b9f1cd25e5d66f061c

Aliases

arxiv: 1507.00533 · arxiv_version: 1507.00533v2 · doi: 10.48550/arxiv.1507.00533 · pith_short_12: BFSUIJ2OPCMI · pith_short_16: BFSUIJ2OPCMIDYNC · pith_short_8: BFSUIJ2O

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/BFSUIJ2OPCMIDYNCS5TN3AUIM7 \
  | 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: 096544274e789881e1a29766dd828867dfa1c97bd3b803b9f1cd25e5d66f061c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25afae4666019b99d359076734f0d580a47c8a15ee32911a500db60aeebb1897",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2015-07-02T11:37:10Z",
    "title_canon_sha256": "6ee9e6bc36ec925d0bfc52be87a94b1930288248f7deecc0c17a48e1adc8f49d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00533",
    "kind": "arxiv",
    "version": 2
  }
}