Pith Number

pith:WFYEHENY

pith:2015:WFYEHENYLKVO2KAVM5ZVMQEQZK

not attested not anchored not stored refs pending

Gravitational instability in oscillating background

A.D. Dolgov, E.V. Arbuzova, L. Reverberi

arxiv:1507.02152 v1 · 2015-07-08 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFYEHENYLKVO2KAVM5ZVMQEQZK}

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	2026-05-18T01:31:37.781558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1704391b85aaaed28156773564090cab65c2f882c79ed737b74bef1a6e65e61

Aliases

arxiv: 1507.02152 · arxiv_version: 1507.02152v1 · doi: 10.48550/arxiv.1507.02152 · pith_short_12: WFYEHENYLKVO · pith_short_16: WFYEHENYLKVO2KAV · pith_short_8: WFYEHENY

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/WFYEHENYLKVO2KAVM5ZVMQEQZK \
  | 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: b1704391b85aaaed28156773564090cab65c2f882c79ed737b74bef1a6e65e61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afcbf59bdcf2554b680784f3a71125a7d51e4176764bb335e633a5ecb50a8c3f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-07-08T13:38:48Z",
    "title_canon_sha256": "8e666ec114f021df927b0fb0eabccffbc89c69f362b5adaddf2f1593442d87aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02152",
    "kind": "arxiv",
    "version": 1
  }
}