Pith Number

pith:XQP4E7FH

pith:2013:XQP4E7FHU5ARCN7R6KZYZD4E76

not attested not anchored not stored refs pending

Maps completely preserving involution

Ali Taghavi, Roja Hosseinzadeh

arxiv:1311.6974 v1 · 2013-11-27 · math.FA · 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{XQP4E7FHU5ARCN7R6KZYZD4E76}

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	2026-05-18T03:06:04.401538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc1fc27ca7a7411137f1f2b38c8f84ff9620b58ad5d32093a524460df71c35a7

Aliases

arxiv: 1311.6974 · arxiv_version: 1311.6974v1 · doi: 10.48550/arxiv.1311.6974 · pith_short_12: XQP4E7FHU5AR · pith_short_16: XQP4E7FHU5ARCN7R · pith_short_8: XQP4E7FH

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/XQP4E7FHU5ARCN7R6KZYZD4E76 \
  | 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: bc1fc27ca7a7411137f1f2b38c8f84ff9620b58ad5d32093a524460df71c35a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b11650fdf50b3bbd827898f5863bee715c947b691bda26f884128748462d6f5",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-11-27T14:08:11Z",
    "title_canon_sha256": "4c5901e34589bd1b7347244c1d8303465fa8725ac5cefbc8e2220c09fe48002f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6974",
    "kind": "arxiv",
    "version": 1
  }
}