Pith Number

pith:35IERDPL

pith:2016:35IERDPL5XXM5QBXTXHY5RMNYH

not attested not anchored not stored refs pending

Converting entropy to curvature perturbations after a cosmic bounce

Angelika Fertig, Edward Wilson-Ewing, Enno Mallwitz, Jean-Luc Lehners

arxiv:1607.05663 v3 · 2016-07-19 · hep-th · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{35IERDPL5XXM5QBXTXHY5RMNYH}

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	2026-05-18T01:03:07.278529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df50488debedeecec0379dcf8ec58dc1eb02641150b2cfa5263a657381b32c7d

Aliases

arxiv: 1607.05663 · arxiv_version: 1607.05663v3 · doi: 10.48550/arxiv.1607.05663 · pith_short_12: 35IERDPL5XXM · pith_short_16: 35IERDPL5XXM5QBX · pith_short_8: 35IERDPL

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/35IERDPL5XXM5QBXTXHY5RMNYH \
  | 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: df50488debedeecec0379dcf8ec58dc1eb02641150b2cfa5263a657381b32c7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6a17de71a0ad5ea2602630342f647b4d686402751e32704382c50c4bf3948ec",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-07-19T17:11:09Z",
    "title_canon_sha256": "2954848bfd12ad108314296bbb956eb1508eb12015b5875d8088a0a60c9554ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05663",
    "kind": "arxiv",
    "version": 3
  }
}