Pith Number

pith:WL2HU675

pith:2016:WL2HU675CGZFWFM4QPRCSBGYC2

not attested not anchored not stored refs pending

Mirror Reflections of a Black Hole

Charles R. Evans, Michael R.R. Good, Paul R. Anderson

arxiv:1605.06635 v2 · 2016-05-21 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WL2HU675CGZFWFM4QPRCSBGYC2}

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	2026-05-18T01:04:01.127714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2f47a7bfd11b25b159c83e22904d816b929f65a03bf326f8e068726703f71b2

Aliases

arxiv: 1605.06635 · arxiv_version: 1605.06635v2 · doi: 10.48550/arxiv.1605.06635 · pith_short_12: WL2HU675CGZF · pith_short_16: WL2HU675CGZFWFM4 · pith_short_8: WL2HU675

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/WL2HU675CGZFWFM4QPRCSBGYC2 \
  | 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: b2f47a7bfd11b25b159c83e22904d816b929f65a03bf326f8e068726703f71b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f72bd88e89e95001a74b28567ddcd90b06cbfb44d1bfa46c559d5993bd4ba02f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-05-21T12:23:10Z",
    "title_canon_sha256": "72927d5c165c7932c28087d18a9aac463c6d48529c429a6bf5feda023c48e7d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06635",
    "kind": "arxiv",
    "version": 2
  }
}