Pith Number

pith:LNGQYW57

pith:2015:LNGQYW57EYGHT6FNTZVS7SDCEN

not attested not anchored not stored refs pending

Scale-invariant perturbations in ekpyrotic cosmologies without fine-tuning of initial conditions

Aaron M. Levy, Anna Ijjas, Paul J. Steinhardt

arxiv:1506.01011 v1 · 2015-05-30 · astro-ph.CO · gr-qc · 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{LNGQYW57EYGHT6FNTZVS7SDCEN}

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	2026-05-18T01:32:10.220201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b4d0c5bbf260c79f8ad9e6b2fc8622341acdc4b86862e6180b65da1f9864838

Aliases

arxiv: 1506.01011 · arxiv_version: 1506.01011v1 · doi: 10.48550/arxiv.1506.01011 · pith_short_12: LNGQYW57EYGH · pith_short_16: LNGQYW57EYGHT6FN · pith_short_8: LNGQYW57

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/LNGQYW57EYGHT6FNTZVS7SDCEN \
  | 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: 5b4d0c5bbf260c79f8ad9e6b2fc8622341acdc4b86862e6180b65da1f9864838

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1181186fd690e0ba318549c9db64ff3121bf9ca3509a5a7d1076a7fb76717506",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-05-30T02:54:18Z",
    "title_canon_sha256": "5fa39812798e1dcb6ee91e8a3016ab19cbd007fac3fb3aea9a40f206f6642186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01011",
    "kind": "arxiv",
    "version": 1
  }
}