Pith Number

pith:NP2WJXXK

pith:2010:NP2WJXXKHUC6P5TBUXMQJ5ZAIV

not attested not anchored not stored refs pending

Regenerating hyperbolic cone 3-manifolds from dimension 2

Joan Porti

arxiv:1003.2494 v2 · 2010-03-12 · 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{NP2WJXXKHUC6P5TBUXMQJ5ZAIV}

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	2026-05-18T02:24:37.755038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bf564deea3d05e7f661a5d904f720455bf1651901b7b21651ec4fd77f19a089

Aliases

arxiv: 1003.2494 · arxiv_version: 1003.2494v2 · doi: 10.48550/arxiv.1003.2494 · pith_short_12: NP2WJXXKHUC6 · pith_short_16: NP2WJXXKHUC6P5TB · pith_short_8: NP2WJXXK

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/NP2WJXXKHUC6P5TBUXMQJ5ZAIV \
  | 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: 6bf564deea3d05e7f661a5d904f720455bf1651901b7b21651ec4fd77f19a089

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebd91d12434830d0911e418bdb30e3e1cf6db00ad05da8cd2f00277a20d7c051",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2010-03-12T08:48:47Z",
    "title_canon_sha256": "6533c3a3bc191a9e5447af002da32206f631bbe208966b714c2d06903d4c7ed3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2494",
    "kind": "arxiv",
    "version": 2
  }
}