Pith Number

pith:QIEAL5YG

pith:2012:QIEAL5YGMNNQ6N57ER4FN522IE

not attested not anchored not stored refs pending

Boundary unitarity and the black hole information paradox

Ted Jacobson

arxiv:1212.6944 v3 · 2012-12-31 · 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{QIEAL5YGMNNQ6N57ER4FN522IE}

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

Information Metrics and Possible Limitations of Local Information Objectivity in Quantum Gravity

Receipt and verification

First computed	2026-07-05T03:28:56.641576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

820805f706635b0f37bf247856f75a4132014c76265023a5e722dce59fd5a54a

Aliases

arxiv: 1212.6944 · arxiv_version: 1212.6944v3 · doi: 10.48550/arxiv.1212.6944 · pith_short_12: QIEAL5YGMNNQ · pith_short_16: QIEAL5YGMNNQ6N57 · pith_short_8: QIEAL5YG

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/QIEAL5YGMNNQ6N57ER4FN522IE \
  | 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: 820805f706635b0f37bf247856f75a4132014c76265023a5e722dce59fd5a54a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772539939a3b7fdd82210f0c7900215416e6c925b0afaaa4e9619adcc1da9e25",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-12-31T18:47:14Z",
    "title_canon_sha256": "3b6f215a65a54f578b5b8af66280ea97ec20667fa89a13ff9ea1428a27cf2c6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6944",
    "kind": "arxiv",
    "version": 3
  }
}