Pith Number

pith:NG4JRC2H

pith:2023:NG4JRC2HFX3HW3EZJXYTQFL3OV

not attested not anchored not stored refs pending

Positivity Conditions for Generalised Schwarzschild Space-Times

A. D'Alise, D. Frattulillo, D. Iacobacci, F. Pezzella, F. Sannino, G. Fabiano, S. Hohenegger

arxiv:2305.12965 v1 · 2023-05-22 · 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{NG4JRC2HFX3HW3EZJXYTQFL3OV}

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	2026-07-05T06:12:25.115353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69b8988b472df67b6c994df138157b75769684d93ae87f40d451e3e2d8dda72d

Aliases

arxiv: 2305.12965 · arxiv_version: 2305.12965v1 · doi: 10.48550/arxiv.2305.12965 · pith_short_12: NG4JRC2HFX3H · pith_short_16: NG4JRC2HFX3HW3EZ · pith_short_8: NG4JRC2H

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/NG4JRC2HFX3HW3EZJXYTQFL3OV \
  | 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: 69b8988b472df67b6c994df138157b75769684d93ae87f40d451e3e2d8dda72d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "060617bdf58f95999877fab50914f27e24788341693f7302688253655dfab5e4",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-05-22T12:14:32Z",
    "title_canon_sha256": "e1bd0894a81df16d4fd735d6a84fc1bb49442cea82c95587c37615772e272f32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.12965",
    "kind": "arxiv",
    "version": 1
  }
}