Pith Number

pith:PGX64YBZ

pith:2016:PGX64YBZAF2ZOA5TX5HTMPLSUC

not attested not anchored not stored refs pending

Singularities and n-dimensional black holes in torsion theories

F. J. Maldonado Torralba, J. A. R. Cembranos, J. Gigante Valcarcel

arxiv:1609.07814 v2 · 2016-09-25 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGX64YBZAF2ZOA5TX5HTMPLSUC}

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	2026-05-18T00:46:39.674501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79afee603901759703b3bf4f363d72a0ad5e69d00c56c720b3ec8a2e877b9ca2

Aliases

arxiv: 1609.07814 · arxiv_version: 1609.07814v2 · doi: 10.48550/arxiv.1609.07814 · pith_short_12: PGX64YBZAF2Z · pith_short_16: PGX64YBZAF2ZOA5T · pith_short_8: PGX64YBZ

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/PGX64YBZAF2ZOA5TX5HTMPLSUC \
  | 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: 79afee603901759703b3bf4f363d72a0ad5e69d00c56c720b3ec8a2e877b9ca2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a9c5ecb71209dd961db6a91a1428bb5734749b439e3c0a04dff99e111430d19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-09-25T22:30:16Z",
    "title_canon_sha256": "6fad6f8caf7e13fa027d347341ed534ca10397807c104e6f419098cffd23f4bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07814",
    "kind": "arxiv",
    "version": 2
  }
}