Pith Number

pith:5UQSU7EE

pith:2016:5UQSU7EENIAH7ZQD366CXDYXG6

not attested not anchored not stored refs pending

Copenhagen vs Everett, Teleportation, and ER=EPR

Leonard Susskind

arxiv:1604.02589 v2 · 2016-04-09 · hep-th · gr-qc · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5UQSU7EENIAH7ZQD366CXDYXG6}

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.

Cited by

1 paper in Pith

A Semiclassical Diagnostic for Spacetime Emergence

Receipt and verification

First computed	2026-05-18T01:00:39.384396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed212a7c846a007fe603dfbc2b8f1737b4b7ec457ccfe157ece20b1ff883cb26

Aliases

arxiv: 1604.02589 · arxiv_version: 1604.02589v2 · doi: 10.48550/arxiv.1604.02589 · pith_short_12: 5UQSU7EENIAH · pith_short_16: 5UQSU7EENIAH7ZQD · pith_short_8: 5UQSU7EE

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/5UQSU7EENIAH7ZQD366CXDYXG6 \
  | 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: ed212a7c846a007fe603dfbc2b8f1737b4b7ec457ccfe157ece20b1ff883cb26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "212823594ad708b41f6d7b90c685d489f3d067116e1e0b6e89881feda96def44",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-04-09T18:15:13Z",
    "title_canon_sha256": "79052e7604465ced43b0732dd6b19f9cf5571327e25d00a19b5efdc33e24ba96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02589",
    "kind": "arxiv",
    "version": 2
  }
}