Pith Number

pith:N27N6CCJ

pith:2020:N27N6CCJEDPYT37V5OM3GYCQ47

not attested not anchored not stored refs pending

Intermittent null energy condition violations during inflation and primordial gravitational waves

Yong Cai, Yun-Song Piao

arxiv:2012.11304 v2 · 2020-12-21 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N27N6CCJEDPYT37V5OM3GYCQ47}

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.

Cited by

1 paper in Pith

Does Eternal Inflation Violate the Smeared Null Energy Condition?

Receipt and verification

First computed	2026-07-05T02:35:30.971661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ebedf084920df89eff5eb99b36050e7c1ec27a13a6d1db1216cecee558b313b

Aliases

arxiv: 2012.11304 · arxiv_version: 2012.11304v2 · doi: 10.48550/arxiv.2012.11304 · pith_short_12: N27N6CCJEDPY · pith_short_16: N27N6CCJEDPYT37V · pith_short_8: N27N6CCJ

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/N27N6CCJEDPYT37V5OM3GYCQ47 \
  | 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: 6ebedf084920df89eff5eb99b36050e7c1ec27a13a6d1db1216cecee558b313b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "182c4297b518b5ad1ea2b64a33a1ee938185b15e8bcc0f23332a2e453683e77d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-12-21T13:16:46Z",
    "title_canon_sha256": "b19ca54f0c73361cf231fc08819321e6e892b4bc8a2053efffdf024b28313063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.11304",
    "kind": "arxiv",
    "version": 2
  }
}