Pith Number

pith:M6CWHRE5

pith:2016:M6CWHRE5RZSFB236GTT5BDGHIW

not attested not anchored not stored refs pending

Holographic Curvature Perturbations in a Cosmology with a Space-Like Singularity

Elisa G. M. Ferreira, Robert Brandenberger

arxiv:1602.08152 v1 · 2016-02-25 · hep-th · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M6CWHRE5RZSFB236GTT5BDGHIW}

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	2026-05-18T01:10:30.974071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

678563c49d8e6450eb7e34e7d08cc7458a0f97ca5ee1fd2aca84f35944169b42

Aliases

arxiv: 1602.08152 · arxiv_version: 1602.08152v1 · doi: 10.48550/arxiv.1602.08152 · pith_short_12: M6CWHRE5RZSF · pith_short_16: M6CWHRE5RZSFB236 · pith_short_8: M6CWHRE5

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/M6CWHRE5RZSFB236GTT5BDGHIW \
  | 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: 678563c49d8e6450eb7e34e7d08cc7458a0f97ca5ee1fd2aca84f35944169b42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c17dcdaea4cc26aa44d725bbb6f61e08533c8d545be9bc26d314f6041ad5085d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-02-25T23:54:01Z",
    "title_canon_sha256": "91b261b41acecd07e17b811d61f30b975cfcb16b9cfc0d3d70f8338f4673056a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08152",
    "kind": "arxiv",
    "version": 1
  }
}