Pith Number

pith:PRS3M7Q2

pith:2014:PRS3M7Q2GPUJXLVZUFVANIC7EP

not attested not anchored not stored refs pending

Intrinsic Flat Convergence of Covering Spaces

Christina Sormani, Zahra Sinaei

arxiv:1409.7118 v1 · 2014-09-24 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRS3M7Q2GPUJXLVZUFVANIC7EP}

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	2026-05-18T00:49:40.427740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c65b67e1a33e89baeb9a16a06a05f23d2158c43b4931e0f0f8ac4f594ae8e0e

Aliases

arxiv: 1409.7118 · arxiv_version: 1409.7118v1 · doi: 10.48550/arxiv.1409.7118 · pith_short_12: PRS3M7Q2GPUJ · pith_short_16: PRS3M7Q2GPUJXLVZ · pith_short_8: PRS3M7Q2

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/PRS3M7Q2GPUJXLVZUFVANIC7EP \
  | 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: 7c65b67e1a33e89baeb9a16a06a05f23d2158c43b4931e0f0f8ac4f594ae8e0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22159b3e7c20acc6ffbd7e2a77efa09b7579ad483bce68a6e498085780e5d78c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-09-24T22:47:47Z",
    "title_canon_sha256": "49185467ea842815a4093ba6772f842b131a05353230adc93dab22fc18bbeef2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7118",
    "kind": "arxiv",
    "version": 1
  }
}