Pith Number

pith:Z53DO5JJ

pith:2009:Z53DO5JJ4S6XLVNUYP6TOOLVYX

not attested not anchored not stored refs pending

Bispectrum signatures of a modified vacuum in single field inflation with a small speed of sound

Jan Pieter van der Schaar, Mark G. Jackson, P. Daniel Meerburg

arxiv:0910.4986 v2 · 2009-10-27 · hep-th · 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{Z53DO5JJ4S6XLVNUYP6TOOLVYX}

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	2026-07-04T17:21:18.252631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf76377529e4bd75d5b4c3fd373975c5caff7274de2c642c62f802d42b1fd464

Aliases

arxiv: 0910.4986 · arxiv_version: 0910.4986v2 · doi: 10.48550/arxiv.0910.4986 · pith_short_12: Z53DO5JJ4S6X · pith_short_16: Z53DO5JJ4S6XLVNU · pith_short_8: Z53DO5JJ

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/Z53DO5JJ4S6XLVNUYP6TOOLVYX \
  | 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: cf76377529e4bd75d5b4c3fd373975c5caff7274de2c642c62f802d42b1fd464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78a5bda7010294fc49a35e782bc267853711e9ed5428863451df468802353762",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-10-27T13:15:11Z",
    "title_canon_sha256": "0476f0205fa0c33de78830bf1ea44d30146e45cc0a1d8c5e82ee1d53a2645625"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4986",
    "kind": "arxiv",
    "version": 2
  }
}