Pith Number

pith:4RIT3TNG

pith:2018:4RIT3TNG24YYNFJPMCLAMFSUJU

not attested not anchored not stored refs pending

Algebra of Universal Horizon Preserving Diffeomorphisms

David Mattingly, Matthew Roberson, Sayandeb Basu

arxiv:1810.10586 v1 · 2018-10-24 · 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{4RIT3TNG24YYNFJPMCLAMFSUJU}

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	2026-05-18T00:02:20.105559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4513dcda6d73186952f60960616544d2186775373579812c74519966c22ee42

Aliases

arxiv: 1810.10586 · arxiv_version: 1810.10586v1 · doi: 10.48550/arxiv.1810.10586 · pith_short_12: 4RIT3TNG24YY · pith_short_16: 4RIT3TNG24YYNFJP · pith_short_8: 4RIT3TNG

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/4RIT3TNG24YYNFJPMCLAMFSUJU \
  | 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: e4513dcda6d73186952f60960616544d2186775373579812c74519966c22ee42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "814ab8d83b5a6218f01d3bdd1f0ee0bcde5dd3b50d3f64d7fed3bb43581cfccf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-24T19:39:14Z",
    "title_canon_sha256": "ab273fe3ad54d56c4272fb4058bea74698389dabb0bca29a284099ef3323e5c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10586",
    "kind": "arxiv",
    "version": 1
  }
}