Pith Number

pith:HZYU5UVA

pith:2017:HZYU5UVANOVI4R2AKULPVISK5N

not attested not anchored not stored refs pending

Spherical Spacelike Geometries in Static Spherically Symmetric Spacetimes: Generalized Painlev\`e-Gullstrand Coordinates, Foliation, and Embedding

M. M. Akbar

arxiv:1702.00964 v2 · 2017-02-03 · 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{HZYU5UVANOVI4R2AKULPVISK5N}

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	2026-05-18T00:46:00.399419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e714ed2a06baa8e47405516faa24aeb5a9284a3da2808ffe8eed925776c425e

Aliases

arxiv: 1702.00964 · arxiv_version: 1702.00964v2 · doi: 10.48550/arxiv.1702.00964 · pith_short_12: HZYU5UVANOVI · pith_short_16: HZYU5UVANOVI4R2A · pith_short_8: HZYU5UVA

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/HZYU5UVANOVI4R2AKULPVISK5N \
  | 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: 3e714ed2a06baa8e47405516faa24aeb5a9284a3da2808ffe8eed925776c425e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e163a75ef74d0262964f43858a6fe26d881961e05823716c755c308fcfe8827",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-03T10:31:08Z",
    "title_canon_sha256": "09e681075d936d786d02d63016ef3dbf638c65b94ceaca5eeecd2b8074544680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00964",
    "kind": "arxiv",
    "version": 2
  }
}