Pith Number

pith:OU5M6GTO

pith:2001:OU5M6GTOJ7PFL62Y32ESGVFBQN

not attested not anchored not stored refs pending

Extreme objects with arbitrary large mass, or density, and arbitrary size

J. M. Aguirregabiria, Ll. Bel

arxiv:gr-qc/0105043 v2 · 2001-05-14 · 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{OU5M6GTOJ7PFL62Y32ESGVFBQN}

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	2026-05-18T01:39:24.279349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

753acf1a6e4fde55fb58de892354a1836c6a4fce5467b4a1f42255013cf75545

Aliases

arxiv: gr-qc/0105043 · arxiv_version: gr-qc/0105043v2 · doi: 10.48550/arxiv.gr-qc/0105043 · pith_short_12: OU5M6GTOJ7PF · pith_short_16: OU5M6GTOJ7PFL62Y · pith_short_8: OU5M6GTO

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/OU5M6GTOJ7PFL62Y32ESGVFBQN \
  | 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: 753acf1a6e4fde55fb58de892354a1836c6a4fce5467b4a1f42255013cf75545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2b98551e248028b0bccc1e0ca5afe2ec6bee569086ac461e02959a3512602c0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-05-14T08:54:32Z",
    "title_canon_sha256": "463274bd822ceb66ab7e581177fa52f7a57d030914ace1e1785f791a8cfe2a45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0105043",
    "kind": "arxiv",
    "version": 2
  }
}