Pith Number

pith:4KX2JY65

pith:2011:4KX2JY65MPEWVRDSEO64XVPH77

not attested not anchored not stored refs pending

Red Spectral Tilt and Observable Gravity Waves in Shifted Hybrid Inflation

Joshua R. Wickman, Mansoor Ur Rehman, Matthew Civiletti, Qaisar Shafi

arxiv:1104.4143 v1 · 2011-04-20 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KX2JY65MPEWVRDSEO64XVPH77}

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	2026-05-18T02:22:01.673850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2afa4e3dd63c96ac47223bdcbd5e7ffe06399f5a4ea215d2ce46734d0dbafa7

Aliases

arxiv: 1104.4143 · arxiv_version: 1104.4143v1 · doi: 10.48550/arxiv.1104.4143 · pith_short_12: 4KX2JY65MPEW · pith_short_16: 4KX2JY65MPEWVRDS · pith_short_8: 4KX2JY65

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/4KX2JY65MPEWVRDSEO64XVPH77 \
  | 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: e2afa4e3dd63c96ac47223bdcbd5e7ffe06399f5a4ea215d2ce46734d0dbafa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2983d7a8cfe6f67f64b882dbe9193596d5ae9029d8eaf048601994ebf815be27",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-20T23:58:53Z",
    "title_canon_sha256": "aa0ef99e73e6bf2a0e805bec4e833d3f555a29a8c22ae1a10d4b03e7b323f310"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4143",
    "kind": "arxiv",
    "version": 1
  }
}