Pith Number

pith:CAN4H6SP

pith:2015:CAN4H6SPIR4O6TETUDXBE7IFD5

not attested not anchored not stored refs pending

On small deformations of balanced manifolds

Daniele Angella, Luis Ugarte

arxiv:1502.07581 v2 · 2015-02-26 · 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{CAN4H6SPIR4O6TETUDXBE7IFD5}

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	2026-05-18T00:28:27.529748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

101bc3fa4f4478ef4c93a0ee127d051f660f051d592d86b273f1cdfe4d3a7b8f

Aliases

arxiv: 1502.07581 · arxiv_version: 1502.07581v2 · doi: 10.48550/arxiv.1502.07581 · pith_short_12: CAN4H6SPIR4O · pith_short_16: CAN4H6SPIR4O6TET · pith_short_8: CAN4H6SP

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/CAN4H6SPIR4O6TETUDXBE7IFD5 \
  | 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: 101bc3fa4f4478ef4c93a0ee127d051f660f051d592d86b273f1cdfe4d3a7b8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4e7d510b733098dba30ecca3b773908527ec77f8966f1131e733b8843527af0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-02-26T14:59:09Z",
    "title_canon_sha256": "79ef64f946d4b105e520989cf000de0db947289adead556e673b013a03d5a89f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07581",
    "kind": "arxiv",
    "version": 2
  }
}