Pith Number

pith:QTOET7V4

pith:2006:QTOET7V4H3BSX26LYNGGPVYXLU

not attested not anchored not stored refs pending

String Bracket and Flat Connections

Hossein Abbaspour, Mahmoud Zeinalian

arxiv:math/0602108 v4 · 2006-02-06 · math.AT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTOET7V4H3BSX26LYNGGPVYXLU}

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	2026-05-18T02:41:31.913802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84dc49febc3ec32bebcbc34c67d7175d1119699d5078c7a3dcdd7e343e58ea32

Aliases

arxiv: math/0602108 · arxiv_version: math/0602108v4 · doi: 10.48550/arxiv.math/0602108 · pith_short_12: QTOET7V4H3BS · pith_short_16: QTOET7V4H3BSX26L · pith_short_8: QTOET7V4

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/QTOET7V4H3BSX26LYNGGPVYXLU \
  | 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: 84dc49febc3ec32bebcbc34c67d7175d1119699d5078c7a3dcdd7e343e58ea32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d33787ecd8fe351936728499a913765f67980e3946f4ff299be07445c5b54f7f",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2006-02-06T21:26:15Z",
    "title_canon_sha256": "9e8a64dcb6b9293f46b5d838f4e9d2ba0e43df4d83c2aa6500b4b36ef90789d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0602108",
    "kind": "arxiv",
    "version": 4
  }
}