pith. sign in
Pith Number

pith:FPHLIH4F

pith:2016:FPHLIH4FR4XDHGQ2DPDZLZ2JAR
not attested not anchored not stored refs pending

Sound Speed of Primordial Fluctuations in Supergravity Inflation

Alexander Hetz, Gonzalo A. Palma

arxiv:1601.05457 v3 · 2016-01-20 · hep-th · astro-ph.CO · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FPHLIH4FR4XDHGQ2DPDZLZ2JAR}

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 2026-05-18T01:02:45.194719Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2bceb41f858f2e339a1a1bc795e74904471d238d82039c93d76f1880bf3b5618

Aliases

arxiv: 1601.05457 · arxiv_version: 1601.05457v3 · doi: 10.48550/arxiv.1601.05457 · pith_short_12: FPHLIH4FR4XD · pith_short_16: FPHLIH4FR4XDHGQ2 · pith_short_8: FPHLIH4F
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FPHLIH4FR4XDHGQ2DPDZLZ2JAR \
  | 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: 2bceb41f858f2e339a1a1bc795e74904471d238d82039c93d76f1880bf3b5618
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8a54c8ae1e128fcaea7c05f0ed1ebeed58b789bfd5fa2fe02b2c21ac1e3e4bd1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-01-20T22:06:54Z",
    "title_canon_sha256": "3bcb48c33a4e4d6e32bbd9dbc215de60b6b00b5c9f59cdfce077f31d3eaa076e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05457",
    "kind": "arxiv",
    "version": 3
  }
}