Pith Number

pith:YZZHXUVM

pith:2013:YZZHXUVMQXHEZXZJDG6D3LGY42

not attested not anchored not stored refs pending

Quantum Computation vs. Firewalls

Daniel Harlow, Patrick Hayden

arxiv:1301.4504 v4 · 2013-01-18 · 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{YZZHXUVMQXHEZXZJDG6D3LGY42}

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

2 papers in Pith

Replica wormholes and the black hole interior

Are Flat Minima an Illusion?

Receipt and verification

First computed	2026-05-18T01:52:05.656893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6727bd2ac85ce4cdf2919bc3dacd8e698ca721c0b35e6acda953ddc89dafc5d

Aliases

arxiv: 1301.4504 · arxiv_version: 1301.4504v4 · doi: 10.48550/arxiv.1301.4504 · pith_short_12: YZZHXUVMQXHE · pith_short_16: YZZHXUVMQXHEZXZJ · pith_short_8: YZZHXUVM

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/YZZHXUVMQXHEZXZJDG6D3LGY42 \
  | 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: c6727bd2ac85ce4cdf2919bc3dacd8e698ca721c0b35e6acda953ddc89dafc5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "909d2239765cd53f6c9b8c1cdd744b09ce60cfc0dc50bfef57b4acad1a14d56b",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-01-18T21:07:57Z",
    "title_canon_sha256": "89e99cca8b8a0e365cefaa522a6c71c1eac3d8aa6c44fab349588b6234a27ee9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4504",
    "kind": "arxiv",
    "version": 4
  }
}