Pith Number

pith:VEVPUFHT

pith:2011:VEVPUFHTIRHR7Y7BYTEW4YMZGF

not attested not anchored not stored refs pending

Pre-Big-Bang Cosmology and Circles in the Cosmic Microwave Background

Edward Wilson-Ewing, William Nelson

arxiv:1104.3688 v2 · 2011-04-19 · gr-qc · 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{VEVPUFHTIRHR7Y7BYTEW4YMZGF}

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	2026-05-18T04:13:56.515830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a92afa14f3444f1fe3e1c4c96e61993178902c6dc4a28fc01859ff2932685d8d

Aliases

arxiv: 1104.3688 · arxiv_version: 1104.3688v2 · doi: 10.48550/arxiv.1104.3688 · pith_short_12: VEVPUFHTIRHR · pith_short_16: VEVPUFHTIRHR7Y7B · pith_short_8: VEVPUFHT

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/VEVPUFHTIRHR7Y7BYTEW4YMZGF \
  | 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: a92afa14f3444f1fe3e1c4c96e61993178902c6dc4a28fc01859ff2932685d8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b2cd9bea7510538536eee8bebb7039e6e2dec4354f64b54c38b5cba7d730d8a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-04-19T09:59:00Z",
    "title_canon_sha256": "f15c48c17e9b32aaadbcc400ebf86dff9a75c6008868f49c3d21b19d4322ea69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3688",
    "kind": "arxiv",
    "version": 2
  }
}