Pith Number

pith:IPFFYPKV

pith:2016:IPFFYPKVFI7UYCG7G7LP3M74ME

not attested not anchored not stored refs pending

Rigidity of spacelike hypersurfaces in spatially weighted generalized Robertson-Walker spacetimes

Alma L. Albujer, Arlandson M. Oliveira, Henrique F. de Lima, Marco Antonio L. Vel\'asquez

arxiv:1604.04117 v1 · 2016-04-14 · 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{IPFFYPKVFI7UYCG7G7LP3M74ME}

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	2026-05-18T01:17:06.618612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43ca5c3d552a3f4c08df37d6fdb3fc611a7b678d9915cdab808b4c9edd29458a

Aliases

arxiv: 1604.04117 · arxiv_version: 1604.04117v1 · doi: 10.48550/arxiv.1604.04117 · pith_short_12: IPFFYPKVFI7U · pith_short_16: IPFFYPKVFI7UYCG7 · pith_short_8: IPFFYPKV

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/IPFFYPKVFI7UYCG7G7LP3M74ME \
  | 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: 43ca5c3d552a3f4c08df37d6fdb3fc611a7b678d9915cdab808b4c9edd29458a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2ada66ffd60cb4fff82cc1c4f34f67214e94c6dfb797f98e22bbd2cac983ec0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-04-14T11:44:09Z",
    "title_canon_sha256": "fab8d23fe35b7a140fd1e490591996bcad2226ced8d004818a463d89d8e92642"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04117",
    "kind": "arxiv",
    "version": 1
  }
}