Pith Number

pith:CU5XVVO4

pith:2002:CU5XVVO4JB5Y5BOZX756AT47KV

not attested not anchored not stored refs pending

Perfect mirrors and the self-accelerating box paradox

Donald Marolf, Rafael Sorkin

arxiv:hep-th/0201255 v3 · 2002-01-30 · hep-th · 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{CU5XVVO4JB5Y5BOZX756AT47KV}

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	2026-07-04T16:34:32.890367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

153b7ad5dc487b8e85d9bffbe04f9f555d8b03a894dc0863e8afaa0f1475b050

Aliases

arxiv: hep-th/0201255 · arxiv_version: hep-th/0201255v3 · doi: 10.48550/arxiv.hep-th/0201255 · pith_short_12: CU5XVVO4JB5Y · pith_short_16: CU5XVVO4JB5Y5BOZ · pith_short_8: CU5XVVO4

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/CU5XVVO4JB5Y5BOZX756AT47KV \
  | 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: 153b7ad5dc487b8e85d9bffbe04f9f555d8b03a894dc0863e8afaa0f1475b050

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5eb9fdae7a0ed2aa3c6fff2dd87265f72a6e1707c857344ee9dc8fff4a614d5",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-01-30T20:46:13Z",
    "title_canon_sha256": "334a42930e8e5c091b0437d6e2e1a7cf8e0732eaea178fd00eadfc50f06a1815"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0201255",
    "kind": "arxiv",
    "version": 3
  }
}