Pith Number

pith:WRZUMQYV

pith:2009:WRZUMQYVYSP6XAI4WMN6HMR4BV

not attested not anchored not stored refs pending

A status report on the observability of cosmic bubble collisions

Anthony Aguirre, Matthew C. Johnson

arxiv:0908.4105 v2 · 2009-08-27 · 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{WRZUMQYVYSP6XAI4WMN6HMR4BV}

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	2026-05-18T04:19:43.951685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b473464315c49feb811cb31be3b23c0d5d26cfe05b3eddfa10e6627a4161c32f

Aliases

arxiv: 0908.4105 · arxiv_version: 0908.4105v2 · doi: 10.48550/arxiv.0908.4105 · pith_short_12: WRZUMQYVYSP6 · pith_short_16: WRZUMQYVYSP6XAI4 · pith_short_8: WRZUMQYV

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/WRZUMQYVYSP6XAI4WMN6HMR4BV \
  | 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: b473464315c49feb811cb31be3b23c0d5d26cfe05b3eddfa10e6627a4161c32f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7582550c5d2e9c69db38d44bd20544d4556f4ab00d8d3f104f27226f0456c565",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-08-27T22:26:56Z",
    "title_canon_sha256": "925453633139ded5201f235f6211d99ad3845a5ed3793e8ec1c1ed8f0e24dd44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4105",
    "kind": "arxiv",
    "version": 2
  }
}