Pith Number

pith:H5PEAK2Y

pith:2015:H5PEAK2YAPE72ELNKUXGEW7UO2

not attested not anchored not stored refs pending

Complete Spacelike Hypersurfaces in Generalized Robertson-Walker and the Null Convergence Condition. Calabi-Bernstein problems

Juan A. Aledo, Juan J. Salamanca, Rafael M. Rubio

arxiv:1503.00120 v1 · 2015-02-28 · 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{H5PEAK2YAPE72ELNKUXGEW7UO2}

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	2026-05-18T02:25:55.100160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f5e402b5803c9fd116d552e625bf47686ef7db2bc744c4a2779d57fc77e7117

Aliases

arxiv: 1503.00120 · arxiv_version: 1503.00120v1 · doi: 10.48550/arxiv.1503.00120 · pith_short_12: H5PEAK2YAPE7 · pith_short_16: H5PEAK2YAPE72ELN · pith_short_8: H5PEAK2Y

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/H5PEAK2YAPE72ELNKUXGEW7UO2 \
  | 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: 3f5e402b5803c9fd116d552e625bf47686ef7db2bc744c4a2779d57fc77e7117

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a9a9304ea4e7e31bfbff689cb5ecd39c2571653f56257666e47b7a54cfa5462",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-02-28T11:48:28Z",
    "title_canon_sha256": "edde2d5a3d4c84b66b1f825afbc99b4f8d181546f5080d560d74d139d6b9c295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00120",
    "kind": "arxiv",
    "version": 1
  }
}