Pith Number

pith:KJAQQ224

pith:2012:KJAQQ2243KO2FVB5BRZ7IPWM7N

not attested not anchored not stored refs pending

Computations in rational sectional category

J.G. Carrasquel-Vera

arxiv:1205.4597 v2 · 2012-05-21 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KJAQQ2243KO2FVB5BRZ7IPWM7N}

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	2026-05-18T02:25:20.039117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5241086b5cda9da2d43d0c73f43eccfb4d22337d66770d42de4dd59cbbe2c85c

Aliases

arxiv: 1205.4597 · arxiv_version: 1205.4597v2 · doi: 10.48550/arxiv.1205.4597 · pith_short_12: KJAQQ2243KO2 · pith_short_16: KJAQQ2243KO2FVB5 · pith_short_8: KJAQQ224

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/KJAQQ2243KO2FVB5BRZ7IPWM7N \
  | 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: 5241086b5cda9da2d43d0c73f43eccfb4d22337d66770d42de4dd59cbbe2c85c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a37bc472da6884aea2f75f3ab3c3a394541fd0437034c9dd1cfbfb86d42ccf08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-05-21T13:48:09Z",
    "title_canon_sha256": "9fa1476e8ffeba9b98e4572fffd2a7c900e6cf24fa293da8c05fb866e1178675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4597",
    "kind": "arxiv",
    "version": 2
  }
}