Pith Number

pith:RT47UTBE

pith:2004:RT47UTBEX6V4NU4IK24KIGZV3V

not attested not anchored not stored refs pending

Intersecting Jones projections

Sebastiano Carpi

arxiv:math/0412457 v1 · 2004-12-22 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RT47UTBEX6V4NU4IK24KIGZV3V}

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	2026-05-18T00:03:26.622555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cf9fa4c24bfabc6d38856b8a41b35dd796a4933ef8980d5519757f05fed6c56

Aliases

arxiv: math/0412457 · arxiv_version: math/0412457v1 · doi: 10.48550/arxiv.math/0412457 · pith_short_12: RT47UTBEX6V4 · pith_short_16: RT47UTBEX6V4NU4I · pith_short_8: RT47UTBE

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/RT47UTBEX6V4NU4IK24KIGZV3V \
  | 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: 8cf9fa4c24bfabc6d38856b8a41b35dd796a4933ef8980d5519757f05fed6c56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d97ba9bc19ef43fbb68730d25cf05d835e5bc6c5947bccc6612a0cff7dc694b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "2004-12-22T15:55:28Z",
    "title_canon_sha256": "1b49ca1f0d07fb9d26c91bfdf2f5d0a864ab9aeb835f701315e8bceacb5ab4df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0412457",
    "kind": "arxiv",
    "version": 1
  }
}