Pith Number

pith:CBYJCHS7

pith:2021:CBYJCHS7INGNWWUJOXKG7DCXO2

not attested not anchored not stored refs pending

Islands in Multiverse Models

Aidan Chatwin-Davies, Brandon Robinson, Natalia Pinzani-Fokeeva, Sergio E. Aguilar-Gutierrez, Thomas Hertog

arxiv:2108.01278 v3 · 2021-08-03 · 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{CBYJCHS7INGNWWUJOXKG7DCXO2}

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	2026-07-05T04:14:24.638034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1070911e5f434cdb5a8975d46f8c5776a3e6e1720baf2bc922714c4c4354777a

Aliases

arxiv: 2108.01278 · arxiv_version: 2108.01278v3 · doi: 10.48550/arxiv.2108.01278 · pith_short_12: CBYJCHS7INGN · pith_short_16: CBYJCHS7INGNWWUJ · pith_short_8: CBYJCHS7

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/CBYJCHS7INGNWWUJOXKG7DCXO2 \
  | 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: 1070911e5f434cdb5a8975d46f8c5776a3e6e1720baf2bc922714c4c4354777a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95705279f11aaa018fc5c8736127512cbb37cfb032ce1fc2cc46dcf94e36f394",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-08-03T03:57:19Z",
    "title_canon_sha256": "08af480b2fb424da5df5f38767635759a16fb2136a83e2e883b7f450aa2ad7ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01278",
    "kind": "arxiv",
    "version": 3
  }
}