Pith Number

pith:MZQS5KIF

pith:2019:MZQS5KIFQCNLDPUWSZS2HHZPP6

not attested not anchored not stored refs pending

The Collisional Penrose Process

Jeremy D. Schnittman (NASA Goddard)

arxiv:1910.02800 v1 · 2019-10-07 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZQS5KIFQCNLDPUWSZS2HHZPP6}

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

Time evolution of a Nambu-Goto string coiling around a Kerr black hole

Receipt and verification

First computed	2026-07-05T00:12:11.127022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66612ea905809ab1be969665a39f2f7f823d9c6e250409dadb0a5b8d9cbf64fa

Aliases

arxiv: 1910.02800 · arxiv_version: 1910.02800v1 · doi: 10.48550/arxiv.1910.02800 · pith_short_12: MZQS5KIFQCNL · pith_short_16: MZQS5KIFQCNLDPUW · pith_short_8: MZQS5KIF

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/MZQS5KIFQCNLDPUWSZS2HHZPP6 \
  | 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: 66612ea905809ab1be969665a39f2f7f823d9c6e250409dadb0a5b8d9cbf64fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b5c342711931882460f9f6e531f3ff1d393e15defeddb83a836f33f61fece6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-10-07T13:56:57Z",
    "title_canon_sha256": "9040c58df846798cf8a1aef484578db1020eafd6b5da2a2e3e8c4f2b2bc36c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.02800",
    "kind": "arxiv",
    "version": 1
  }
}