Pith Number

pith:HJEVHTAZ

pith:2019:HJEVHTAZ6BT5R2NBEGYQBC4KTL

not attested not anchored not stored refs pending

Reconstruction and exact solutions for cosmological perturbations from a generalized gravity theory

Carlos Gonz\'alez, Jos\'e Antonio Belinch\'on, Ram\'on Herrera

arxiv:1909.02037 v1 · 2019-09-04 · 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{HJEVHTAZ6BT5R2NBEGYQBC4KTL}

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	2026-07-05T00:57:08.220912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a4953cc19f067d8e9a121b1008b8a9aefc0b9a03b41303fc8c475b342b7b354

Aliases

arxiv: 1909.02037 · arxiv_version: 1909.02037v1 · doi: 10.48550/arxiv.1909.02037 · pith_short_12: HJEVHTAZ6BT5 · pith_short_16: HJEVHTAZ6BT5R2NB · pith_short_8: HJEVHTAZ

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/HJEVHTAZ6BT5R2NBEGYQBC4KTL \
  | 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: 3a4953cc19f067d8e9a121b1008b8a9aefc0b9a03b41303fc8c475b342b7b354

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bdd5411cea1168ad272ea8d0dc097314eac0ca03c7fa3bfa974e5447267789c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-09-04T18:24:09Z",
    "title_canon_sha256": "d61146691826bcaa09e6fd335b396b1b926b379ac35d6b85153f7ab25462fd2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02037",
    "kind": "arxiv",
    "version": 1
  }
}