Pith Number

pith:MTGS3GM2

pith:2015:MTGS3GM2RZNIMO2ZAVQKRHPDC6

not attested not anchored not stored refs pending

Black Hole - Moving Mirror I: An Exact Correspondence

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

arxiv:1507.03489 v1 · 2015-07-13 · 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{MTGS3GM2RZNIMO2ZAVQKRHPDC6}

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	2026-05-18T00:09:48.178531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64cd2d999a8e5a863b590560a89de3179f014fc707ae7127e7ce114046f21d7d

Aliases

arxiv: 1507.03489 · arxiv_version: 1507.03489v1 · doi: 10.48550/arxiv.1507.03489 · pith_short_12: MTGS3GM2RZNI · pith_short_16: MTGS3GM2RZNIMO2Z · pith_short_8: MTGS3GM2

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/MTGS3GM2RZNIMO2ZAVQKRHPDC6 \
  | 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: 64cd2d999a8e5a863b590560a89de3179f014fc707ae7127e7ce114046f21d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f640504d0c98b1de86238959670dfd63886d6f09546e7a76d610913ffcb3b09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-07-13T15:11:25Z",
    "title_canon_sha256": "b46c7c8923789b7b6fdb73c0c8ec7ee2743f05a21641dddfc8d68f2ca6db9a72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03489",
    "kind": "arxiv",
    "version": 1
  }
}