Pith Number

pith:DAR4HQ7N

pith:2015:DAR4HQ7NFEOVSO4NEUA2OY7IIA

not attested not anchored not stored refs pending

Stable hypersurfaces with zero scalar curvature in Euclidean space

Greg\'orio Silva Neto, Hil\'ario Alencar, Manfredo do Carmo

arxiv:1510.03741 v2 · 2015-10-13 · 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{DAR4HQ7NFEOVSO4NEUA2OY7IIA}

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	2026-05-18T00:46:32.151610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1823c3c3ed291d593b8d2501a763e84005aa169d18f2a2aa393bff5bb2110755

Aliases

arxiv: 1510.03741 · arxiv_version: 1510.03741v2 · doi: 10.48550/arxiv.1510.03741 · pith_short_12: DAR4HQ7NFEOV · pith_short_16: DAR4HQ7NFEOVSO4N · pith_short_8: DAR4HQ7N

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/DAR4HQ7NFEOVSO4NEUA2OY7IIA \
  | 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: 1823c3c3ed291d593b8d2501a763e84005aa169d18f2a2aa393bff5bb2110755

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18223ec90e217386489b9eb89021cc706197d2240a7e55fb8851b297ed8c4266",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-10-13T15:30:46Z",
    "title_canon_sha256": "aa5a59d8d2a468982258029b7868c0f0c9ede0c4e797fee602a32799515b015d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03741",
    "kind": "arxiv",
    "version": 2
  }
}