Pith Number

pith:B2KTK5PQ

pith:2012:B2KTK5PQ6NRFSLZF6LYR3ETFR4

not attested not anchored not stored refs pending

Non-linearities in the quantum multiverse

Orfeu Bertolami, Victor Herdeiro

arxiv:1208.0236 v1 · 2012-08-01 · 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{B2KTK5PQ6NRFSLZF6LYR3ETFR4}

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	2026-05-18T01:55:24.395961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e953575f0f362592f25f2f11d92658f3495c56a92ac868ec367d4c493be1448

Aliases

arxiv: 1208.0236 · arxiv_version: 1208.0236v1 · doi: 10.48550/arxiv.1208.0236 · pith_short_12: B2KTK5PQ6NRF · pith_short_16: B2KTK5PQ6NRFSLZF · pith_short_8: B2KTK5PQ

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/B2KTK5PQ6NRFSLZF6LYR3ETFR4 \
  | 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: 0e953575f0f362592f25f2f11d92658f3495c56a92ac868ec367d4c493be1448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5c7850cc340db54419a89c557ee0eeaf0b7a84cff7d6683246ececb73a3b844",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-01T14:29:23Z",
    "title_canon_sha256": "0fe410ab7c1dd4c088a41747bb1b3868518132cf2afd6239560c7c080b81bd53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0236",
    "kind": "arxiv",
    "version": 1
  }
}