Pith Number

pith:RIYXNU4Q

pith:2008:RIYXNU4QUS7ML4QUBCBXTLDKGP

not attested not anchored not stored refs pending

Kinematics in Matrix Gravity

Guglielmo Fucci, Ivan G. Avramidi

arxiv:0802.3927 v2 · 2008-02-26 · 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{RIYXNU4QUS7ML4QUBCBXTLDKGP}

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	2026-05-18T04:28:30.244560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a3176d390a4bec5f214088379ac6a33e7ea2aacef9c939e2cea0a67248b52a4

Aliases

arxiv: 0802.3927 · arxiv_version: 0802.3927v2 · doi: 10.48550/arxiv.0802.3927 · pith_short_12: RIYXNU4QUS7M · pith_short_16: RIYXNU4QUS7ML4QU · pith_short_8: RIYXNU4Q

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/RIYXNU4QUS7ML4QUBCBXTLDKGP \
  | 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: 8a3176d390a4bec5f214088379ac6a33e7ea2aacef9c939e2cea0a67248b52a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a540c7f9cb6c71831d2ecf9ce15168e7929aa0c6bc40333a3529d2ef0a70f251",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-02-26T22:31:11Z",
    "title_canon_sha256": "4ea9353f00bb3220e6eaf52e8000570dbeb986d41f704bbf6fdaebcc52d8c230"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.3927",
    "kind": "arxiv",
    "version": 2
  }
}