Pith Number

pith:7JKDEBUE

pith:2017:7JKDEBUE246OXCOO2LZNEH67Z3

not attested not anchored not stored refs pending

Physical properties of a source of the Kerr metric: Bound on the surface gravitational potential and conditions for the fragmentation

J.L. Hernandez-Pastora, L. Herrera

arxiv:1707.02872 v2 · 2017-07-07 · 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{7JKDEBUE246OXCOO2LZNEH67Z3}

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.

Cited by

1 paper in Pith

Buchdahl stars and bounds with cosmological constant

Receipt and verification

First computed	2026-05-18T00:39:23.706954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa54320684d73ceb89ced2f2d21fdfcee2058346d88d8fe297fb7aecac1a6cfa

Aliases

arxiv: 1707.02872 · arxiv_version: 1707.02872v2 · doi: 10.48550/arxiv.1707.02872 · pith_short_12: 7JKDEBUE246O · pith_short_16: 7JKDEBUE246OXCOO · pith_short_8: 7JKDEBUE

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/7JKDEBUE246OXCOO2LZNEH67Z3 \
  | 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: fa54320684d73ceb89ced2f2d21fdfcee2058346d88d8fe297fb7aecac1a6cfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae447d424217bb0169ec3b4b08a469bd0c2a4cf9cb43a2de1d23ee388ceed5bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-07-07T10:33:42Z",
    "title_canon_sha256": "8dcce7781f70237e803d10c5b08695175881f8c3c98d57bcbdceacb0742b65fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02872",
    "kind": "arxiv",
    "version": 2
  }
}