Pith Number

pith:TB2RWRHN

pith:2015:TB2RWRHNLN46MW7DXK4W57SW6Q

not attested not anchored not stored refs pending

Falling through the black hole horizon

A.J.M. Medved, Ram Brustein

arxiv:1503.05597 v1 · 2015-03-18 · 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{TB2RWRHNLN46MW7DXK4W57SW6Q}

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	2026-05-18T02:20:58.625038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98751b44ed5b79e65be3bab96efe56f42baf788626b59d47abbecc7220e7569c

Aliases

arxiv: 1503.05597 · arxiv_version: 1503.05597v1 · doi: 10.48550/arxiv.1503.05597 · pith_short_12: TB2RWRHNLN46 · pith_short_16: TB2RWRHNLN46MW7D · pith_short_8: TB2RWRHN

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/TB2RWRHNLN46MW7DXK4W57SW6Q \
  | 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: 98751b44ed5b79e65be3bab96efe56f42baf788626b59d47abbecc7220e7569c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c68c602c7d387c4f5cbc307d558287ac7750b9608fe9ca89be4aa9e6b0a19e0a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-03-18T21:22:15Z",
    "title_canon_sha256": "c132cdee6497f298af9f338916b2c6968e17833affe0c01f848947b78076055b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05597",
    "kind": "arxiv",
    "version": 1
  }
}