Pith. sign in
Pith Number

pith:5G5EGLWI

pith:2021:5G5EGLWIZYZFSJR7L27OV6D3PO
not attested not anchored not stored refs pending

Two-Sheeted Universe, Analyticity and the Arrow of Time

Latham Boyle, Neil Turok

arxiv:2109.06204 v1 · 2021-09-13 · hep-th · astro-ph.CO · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5G5EGLWIZYZFSJR7L27OV6D3PO}

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 2026-07-05T03:13:51.742018Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e9ba432ec8ce3259263f5ebeeaf87b7b802813292571e62a19cbbe8d23c22e92

Aliases

arxiv: 2109.06204 · arxiv_version: 2109.06204v1 · doi: 10.48550/arxiv.2109.06204 · pith_short_12: 5G5EGLWIZYZF · pith_short_16: 5G5EGLWIZYZFSJR7 · pith_short_8: 5G5EGLWI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5G5EGLWIZYZFSJR7L27OV6D3PO \
  | 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: e9ba432ec8ce3259263f5ebeeaf87b7b802813292571e62a19cbbe8d23c22e92
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3a1157d99ed450906e92d6b0ee223bfe3383f12bbc39a886cc35d310dcdb4196",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-09-13T18:00:05Z",
    "title_canon_sha256": "0eb56f498c98573ec5136e8ef60864f0f68c4c928b17fc1402d414130aa0e061"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06204",
    "kind": "arxiv",
    "version": 1
  }
}