Pith Number

pith:6DKYRGFL

pith:2011:6DKYRGFLUQQKEBFV7AWRAJQPSZ

not attested not anchored not stored refs pending

Tetrahedra of flags, volume and homology of SL(3)

Antonin Guilloux Antonin, Elisha Falbel, Nicolas Bergeron

arxiv:1101.2742 v2 · 2011-01-14 · math.GT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6DKYRGFLUQQKEBFV7AWRAJQPSZ}

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	2026-05-18T02:22:57.548763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0d58898aba420a204b5f82d10260f967f5562856984c6d7e8e870865589c59a

Aliases

arxiv: 1101.2742 · arxiv_version: 1101.2742v2 · doi: 10.48550/arxiv.1101.2742 · pith_short_12: 6DKYRGFLUQQK · pith_short_16: 6DKYRGFLUQQKEBFV · pith_short_8: 6DKYRGFL

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/6DKYRGFLUQQKEBFV7AWRAJQPSZ \
  | 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: f0d58898aba420a204b5f82d10260f967f5562856984c6d7e8e870865589c59a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50c622ca99276b4bd1c16cc88cd4ae98688fa73e27d52abb74ce9d04177a6b28",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2011-01-14T09:04:55Z",
    "title_canon_sha256": "3751969adfd93673b30c58553124a1076e59a2c10437a825e8be23e4008df6fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2742",
    "kind": "arxiv",
    "version": 2
  }
}