Pith Number

pith:Q4DMRNTA

pith:2017:Q4DMRNTAMJRSZMH6EG3QRBH3Y7

not attested not anchored not stored refs pending

Static and spherically symmetric solutions in a scenario with quadratic curvature contribution

A. A. Tomaz, F. A. Silveira, R. F. Sobreiro

arxiv:1701.05415 v2 · 2017-01-19 · 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{Q4DMRNTAMJRSZMH6EG3QRBH3Y7}

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	2026-05-18T00:08:11.474515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8706c8b66062632cb0fe21b70884fbc7c8ce4b3469ba1600fca218163409e7ba

Aliases

arxiv: 1701.05415 · arxiv_version: 1701.05415v2 · doi: 10.48550/arxiv.1701.05415 · pith_short_12: Q4DMRNTAMJRS · pith_short_16: Q4DMRNTAMJRSZMH6 · pith_short_8: Q4DMRNTA

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/Q4DMRNTAMJRSZMH6EG3QRBH3Y7 \
  | 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: 8706c8b66062632cb0fe21b70884fbc7c8ce4b3469ba1600fca218163409e7ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24755bb76ccf73ee0c224b395e42a27aec2bb4722dc80486648db6d753689082",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-01-19T13:57:06Z",
    "title_canon_sha256": "a3e34125cab08b3de958d6c0acd7ce26fcae7b68d55c3153cf2b2a0ee59d4fd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05415",
    "kind": "arxiv",
    "version": 2
  }
}