pith. sign in
Pith Number

pith:HFZPQGWH

pith:2012:HFZPQGWHENMW2IKXLYOXNCABEI
not attested not anchored not stored refs pending

Modern Cosmology: Assumptions and Limits

Jai-chan Hwang

arxiv:1206.6297 v1 · 2012-06-25 · physics.hist-ph · astro-ph.CO · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HFZPQGWHENMW2IKXLYOXNCABEI}

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 2026-05-18T00:52:42.212619Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3972f81ac723596d21575e1d76880122103e88fb2a401ab6aeb5e5cbd30a5d28

Aliases

arxiv: 1206.6297 · arxiv_version: 1206.6297v1 · doi: 10.48550/arxiv.1206.6297 · pith_short_12: HFZPQGWHENMW · pith_short_16: HFZPQGWHENMW2IKX · pith_short_8: HFZPQGWH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HFZPQGWHENMW2IKXLYOXNCABEI \
  | 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: 3972f81ac723596d21575e1d76880122103e88fb2a401ab6aeb5e5cbd30a5d28
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dff5eb56c9789c562c45ba2a5047b6a3f1ae59a49d05c0575e0fec775db7ce78",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2012-06-25T07:29:53Z",
    "title_canon_sha256": "3381a08e0d306cdfe9103611f79155115074ccc143af38d1fa9e5c2134f7af17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6297",
    "kind": "arxiv",
    "version": 1
  }
}