Pith Number

pith:EFU5Z7TT

pith:2011:EFU5Z7TTTICJFJZIDVU6SNIXBV

not attested not anchored not stored refs pending

Orbifold homeomorphism finiteness based on geometric constraints

Emily Proctor

arxiv:1106.2724 v1 · 2011-06-14 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFU5Z7TTTICJFJZIDVU6SNIXBV}

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	2026-05-18T04:20:04.242200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2169dcfe739a0492a7281d69e935170d4bd6f1993100c6f48919670ed069a109

Aliases

arxiv: 1106.2724 · arxiv_version: 1106.2724v1 · doi: 10.48550/arxiv.1106.2724 · pith_short_12: EFU5Z7TTTICJ · pith_short_16: EFU5Z7TTTICJFJZI · pith_short_8: EFU5Z7TT

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/EFU5Z7TTTICJFJZIDVU6SNIXBV \
  | 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: 2169dcfe739a0492a7281d69e935170d4bd6f1993100c6f48919670ed069a109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a5d419547ce52d3e384c4e5de523bfa7ab57dbc0926a7e94466bb964b0c4b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-06-14T14:30:40Z",
    "title_canon_sha256": "33892ed527dfa4ba3cde044ea605d3bd7a11ea0ebd881fe1cf7210831cc1a0c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2724",
    "kind": "arxiv",
    "version": 1
  }
}