Pith Number

pith:UWE2DXAW

pith:2012:UWE2DXAWJMDKFIGP4Z7KROQRPT

not attested not anchored not stored refs pending

A Flat Strip Theorem for Ptolemaic Spaces

Renlong Miao, Viktor Schroeder

arxiv:1205.0873 v1 · 2012-05-04 · math.MG · 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{UWE2DXAWJMDKFIGP4Z7KROQRPT}

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	2026-05-18T03:56:23.704635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a589a1dc164b06a2a0cfe67ea8ba117cd1ff043047b30769d04dcb3f5833e429

Aliases

arxiv: 1205.0873 · arxiv_version: 1205.0873v1 · doi: 10.48550/arxiv.1205.0873 · pith_short_12: UWE2DXAWJMDK · pith_short_16: UWE2DXAWJMDKFIGP · pith_short_8: UWE2DXAW

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/UWE2DXAWJMDKFIGP4Z7KROQRPT \
  | 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: a589a1dc164b06a2a0cfe67ea8ba117cd1ff043047b30769d04dcb3f5833e429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81cf86051ecaf66e7489c140731e0fd3465a3943ce069b7f6c3d0a559b33ef36",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-05-04T07:33:03Z",
    "title_canon_sha256": "5cef4740b955d826913416ae06812a13f653fdc6cc9cb85ab55492eef7ea7462"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0873",
    "kind": "arxiv",
    "version": 1
  }
}