Pith Number

pith:KMGKSR3L

pith:2019:KMGKSR3LYQWH6JFPCIQBHFLWXX

not attested not anchored not stored refs pending

On the instability of some k-essence space-times

Denis C. Rodrigues, J.C. Fabris, K.A. Bronnikov

arxiv:1908.09126 v1 · 2019-08-24 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KMGKSR3LYQWH6JFPCIQBHFLWXX}

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	2026-07-05T01:43:54.845174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

530ca9476bc42c7f24af1220139576bde5f4a42c8b419220de7deb3ec0425a2d

Aliases

arxiv: 1908.09126 · arxiv_version: 1908.09126v1 · doi: 10.48550/arxiv.1908.09126 · pith_short_12: KMGKSR3LYQWH · pith_short_16: KMGKSR3LYQWH6JFP · pith_short_8: KMGKSR3L

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/KMGKSR3LYQWH6JFPCIQBHFLWXX \
  | 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: 530ca9476bc42c7f24af1220139576bde5f4a42c8b419220de7deb3ec0425a2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70bbc47996d0aedbdf746079c5f765bcfe4ce017c76a30b9fa4245721abf676a",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-24T11:39:28Z",
    "title_canon_sha256": "cc9ed1753dbcc20e4b4fa8353cd8f0b49d5e95d285c44a162a0c52e6ad037270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09126",
    "kind": "arxiv",
    "version": 1
  }
}