Pith Number

pith:BIH6ZVXI

pith:2010:BIH6ZVXIQLNQW453MYYBNWFZES

not attested not anchored not stored refs pending

A notion of geometric complexity and its application to topological rigidity

Erik Guentner, Guoliang Yu, Romain Tessera

arxiv:1008.0884 v1 · 2010-08-04 · math.GT · math.GR · 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{BIH6ZVXIQLNQW453MYYBNWFZES}

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	2026-05-18T04:42:35.082294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a0fecd6e882db0b73bb663016d8b9249acaaf87c259c5baaf3e762b792a7def

Aliases

arxiv: 1008.0884 · arxiv_version: 1008.0884v1 · doi: 10.48550/arxiv.1008.0884 · pith_short_12: BIH6ZVXIQLNQ · pith_short_16: BIH6ZVXIQLNQW453 · pith_short_8: BIH6ZVXI

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/BIH6ZVXIQLNQW453MYYBNWFZES \
  | 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: 0a0fecd6e882db0b73bb663016d8b9249acaaf87c259c5baaf3e762b792a7def

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9080d7bb5d54a37ce13311e96f5403a21013d41c55a04e8e1fb2886a2c3f233",
    "cross_cats_sorted": [
      "math.GR",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2010-08-04T22:09:24Z",
    "title_canon_sha256": "6ed43e157a6305dfdde94f5539c0557cdc5b3ff3b823ea08209f14b440d07691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0884",
    "kind": "arxiv",
    "version": 1
  }
}