Pith Number

pith:4SFJ2FEI

pith:2014:4SFJ2FEIBPXTCGRNG2W3HRA4RW

not attested not anchored not stored refs pending

On the No-Boundary Proposal for Ekpyrotic and Cyclic Cosmologies

Jean-Luc Lehners, Lorenzo Battarra

arxiv:1407.4814 v3 · 2014-07-17 · hep-th · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SFJ2FEIBPXTCGRNG2W3HRA4RW}

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

Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

Receipt and verification

First computed	2026-05-18T01:42:34.232310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e48a9d14880bef311a2d36adb3c41c8d9771dc1c48b0bec103144818c37dff50

Aliases

arxiv: 1407.4814 · arxiv_version: 1407.4814v3 · doi: 10.48550/arxiv.1407.4814 · pith_short_12: 4SFJ2FEIBPXT · pith_short_16: 4SFJ2FEIBPXTCGRN · pith_short_8: 4SFJ2FEI

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/4SFJ2FEIBPXTCGRNG2W3HRA4RW \
  | 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: e48a9d14880bef311a2d36adb3c41c8d9771dc1c48b0bec103144818c37dff50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bb717a3f37fb087d1435a8f24fa0d1d0f60265f676a3497dc37d2c98f6e7f42",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-07-17T20:01:09Z",
    "title_canon_sha256": "b88075e7e309654aafec11a7dc0c9d43834f27f12d4358b043c86be921466913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4814",
    "kind": "arxiv",
    "version": 3
  }
}