Pith Number

pith:R77TILB3

pith:2016:R77TILB3N4ECC6FUEULRYYXIDJ

not attested not anchored not stored refs pending

Bouncing Universes in Scalar-Tensor Gravity Around Conformal Invariance

B. Boisseau, D. Polarski, H. Giacomini

arxiv:1603.06648 v2 · 2016-03-21 · 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{R77TILB3N4ECC6FUEULRYYXIDJ}

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	2026-05-18T01:13:11.463530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fff342c3b6f082178b425171c62e81a5fc272f11d2401efa33cb93bec6314d3

Aliases

arxiv: 1603.06648 · arxiv_version: 1603.06648v2 · doi: 10.48550/arxiv.1603.06648 · pith_short_12: R77TILB3N4EC · pith_short_16: R77TILB3N4ECC6FU · pith_short_8: R77TILB3

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/R77TILB3N4ECC6FUEULRYYXIDJ \
  | 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: 8fff342c3b6f082178b425171c62e81a5fc272f11d2401efa33cb93bec6314d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80730ac505d947a549c89630c21971bb756ee9fe971037108448c3df26907ffb",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-03-21T23:41:29Z",
    "title_canon_sha256": "227d46da6af0f9953e12ebbb120f0d07da37e5eb6ed4fc80410f4e59b914866a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06648",
    "kind": "arxiv",
    "version": 2
  }
}