Pith Number

pith:BIZUQPSY

pith:2011:BIZUQPSYVPD37XSBUQTCOWRTFA

not attested not anchored not stored refs pending

Calculus of extensive quantities

Anders Kock

arxiv:1105.3405 v1 · 2011-05-17 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BIZUQPSYVPD37XSBUQTCOWRTFA}

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	2026-05-18T04:22:00.094964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a33483e58abc7bfde41a426275a332833b1fae6e69e8a93a7cd90aa866ab879

Aliases

arxiv: 1105.3405 · arxiv_version: 1105.3405v1 · doi: 10.48550/arxiv.1105.3405 · pith_short_12: BIZUQPSYVPD3 · pith_short_16: BIZUQPSYVPD37XSB · pith_short_8: BIZUQPSY

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/BIZUQPSYVPD37XSBUQTCOWRTFA \
  | 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: 0a33483e58abc7bfde41a426275a332833b1fae6e69e8a93a7cd90aa866ab879

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3306732c7626e863dca9d73469684267235ac13637ad53181fc1dff1e2ff6fdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2011-05-17T14:59:44Z",
    "title_canon_sha256": "144e721414bd5f2aabc4897c199cfdeed77f80cd8f97fb153ca5bc3f792e27c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3405",
    "kind": "arxiv",
    "version": 1
  }
}