pith. sign in
Pith Number

pith:YESKH2FH

pith:2015:YESKH2FHH4V7PY7SFODDSLFEHK
not attested not anchored not stored refs pending

Cosmological perturbation theory in 1+1 dimensions

Martin White, Matthew McQuinn

arxiv:1502.07389 v2 · 2015-02-25 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YESKH2FHH4V7PY7SFODDSLFEHK}

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

Receipt and verification
First computed 2026-05-18T01:21:55.711370Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c124a3e8a73f2bf7e3f22b86392ca43ab2eca760be95b9660ca114fb2f4753a2

Aliases

arxiv: 1502.07389 · arxiv_version: 1502.07389v2 · doi: 10.48550/arxiv.1502.07389 · pith_short_12: YESKH2FHH4V7 · pith_short_16: YESKH2FHH4V7PY7S · pith_short_8: YESKH2FH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YESKH2FHH4V7PY7SFODDSLFEHK \
  | 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: c124a3e8a73f2bf7e3f22b86392ca43ab2eca760be95b9660ca114fb2f4753a2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "db8d0f6feae92101c471944e29ed5c82494bf18540f1b57e8406a2241731d93f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-02-25T22:33:15Z",
    "title_canon_sha256": "9d0594a29b4c33245b6f100f8cea78bc7ceb5178a72f7419f20acbd8df17430d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07389",
    "kind": "arxiv",
    "version": 2
  }
}