Pith Number

pith:KEJDXA62

pith:2015:KEJDXA62GKE6RIHLWBXYRYIZ47

not attested not anchored not stored refs pending

A new way to see inside black holes

J.M. Overduin, K. Wilcomb, R.C. Henry

arxiv:1512.02762 v2 · 2015-12-09 · 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{KEJDXA62GKE6RIHLWBXYRYIZ47}

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	2026-05-18T01:12:12.706990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51123b83da3289e8a0ebb06f88e119e7e178623d28581a12e8dc9461a2aebedc

Aliases

arxiv: 1512.02762 · arxiv_version: 1512.02762v2 · doi: 10.48550/arxiv.1512.02762 · pith_short_12: KEJDXA62GKE6 · pith_short_16: KEJDXA62GKE6RIHL · pith_short_8: KEJDXA62

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/KEJDXA62GKE6RIHLWBXYRYIZ47 \
  | 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: 51123b83da3289e8a0ebb06f88e119e7e178623d28581a12e8dc9461a2aebedc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a30694cd1f0624e2b9138cca5a07e33b12e696b048a08a4c206dab0511a4f63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-12-09T06:07:16Z",
    "title_canon_sha256": "a6449a14e10c8824232efa61705aa9e0554a0dae0ef6b324e70360963ae0d3b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02762",
    "kind": "arxiv",
    "version": 2
  }
}