pith. sign in
Pith Number

pith:NLFDA45L

pith:2011:NLFDA45LAYHMFTGTU7AINGLJ4G
not attested not anchored not stored refs pending

Backreaction during inflation: a physical gauge invariant formulation

F. Finelli, G. Marozzi, G. P. Vacca, G. Venturi

arxiv:1101.1051 v2 · 2011-01-05 · gr-qc · astro-ph.CO · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NLFDA45LAYHMFTGTU7AINGLJ4G}

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 2026-05-18T04:25:10.981425Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6aca3073ab060ec2ccd3a7c0869969e1bdaf5d3f4b76e968a32840d2c3dabd2d

Aliases

arxiv: 1101.1051 · arxiv_version: 1101.1051v2 · doi: 10.48550/arxiv.1101.1051 · pith_short_12: NLFDA45LAYHM · pith_short_16: NLFDA45LAYHMFTGT · pith_short_8: NLFDA45L
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NLFDA45LAYHMFTGTU7AINGLJ4G \
  | 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: 6aca3073ab060ec2ccd3a7c0869969e1bdaf5d3f4b76e968a32840d2c3dabd2d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1d0ff8de3210fba065ee7ba3323ca0cb281d35fabfc94b733382ba98eecd52c9",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-01-05T19:17:22Z",
    "title_canon_sha256": "45673169ddc07aa73c836789ab991ce108d38d4061d512bf0e8f889b7cee8a74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1051",
    "kind": "arxiv",
    "version": 2
  }
}