Pith Number

pith:OKA6TWTX

pith:2013:OKA6TWTXVSVYJB3DDAVIMNJKMF

not attested not anchored not stored refs pending

Spectator field models in light of spectral index after Planck

Fuminobu Takahashi, Masahide Yamaguchi, Takeshi Kobayashi, Tomo Takahashi

arxiv:1303.6255 v2 · 2013-03-25 · astro-ph.CO · hep-ph · hep-th

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

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	2026-05-18T03:09:33.746185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7281e9da77acab848763182a86352a615c63e7be0f44abd81668228cb87da3f2

Aliases

arxiv: 1303.6255 · arxiv_version: 1303.6255v2 · doi: 10.48550/arxiv.1303.6255 · pith_short_12: OKA6TWTXVSVY · pith_short_16: OKA6TWTXVSVYJB3D · pith_short_8: OKA6TWTX

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/OKA6TWTXVSVYJB3DDAVIMNJKMF \
  | 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: 7281e9da77acab848763182a86352a615c63e7be0f44abd81668228cb87da3f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd7376000cf3bc5dc52eed33179c53aa6be752a2a34bb34c66e312f951cfb415",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-25T19:14:29Z",
    "title_canon_sha256": "a12b5caebb5e17b7e1226e8d4d96be0878ae07fa843ca0c908ed50ed1fd46252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6255",
    "kind": "arxiv",
    "version": 2
  }
}