Pith Number

pith:SVEYJNOG

pith:2015:SVEYJNOG3AAD7VHDNQDTA7PG27

not attested not anchored not stored refs pending

The PPW conjecture in curved spaces

Nick Edelen

arxiv:1503.06904 v4 · 2015-03-24 · 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{SVEYJNOG3AAD7VHDNQDTA7PG27}

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	2026-05-18T00:54:09.115783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

954984b5c6d8003fd4e36c07307de6d7f458cbfa049a41ff32dd668e01974ac4

Aliases

arxiv: 1503.06904 · arxiv_version: 1503.06904v4 · doi: 10.48550/arxiv.1503.06904 · pith_short_12: SVEYJNOG3AAD · pith_short_16: SVEYJNOG3AAD7VHD · pith_short_8: SVEYJNOG

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/SVEYJNOG3AAD7VHDNQDTA7PG27 \
  | 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: 954984b5c6d8003fd4e36c07307de6d7f458cbfa049a41ff32dd668e01974ac4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae07fb4ba0fc6ddf91b924aa32e03deeb92ccda41315f72eecf6b2d4719a1744",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-03-24T03:47:49Z",
    "title_canon_sha256": "32ed63c90376960d8dcca193a5ce25a168878165ac96cd9892db5e09fe89ec89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06904",
    "kind": "arxiv",
    "version": 4
  }
}