Pith Number

pith:KO5ZIIS7

pith:2008:KO5ZIIS7ZIXRCCNY77ZT7YD2QR

not attested not anchored not stored refs pending

Non-commutative Corrections in Spectral Matrix Gravity

Guglielmo Fucci, Ivan G. Avramidi

arxiv:0802.2557 v2 · 2008-02-18 · 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{KO5ZIIS7ZIXRCCNY77ZT7YD2QR}

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	2026-05-18T04:28:37.086784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53bb94225fca2f1109b8fff33fe07a844491a1adb3499fd310a5cdc3395e58c3

Aliases

arxiv: 0802.2557 · arxiv_version: 0802.2557v2 · doi: 10.48550/arxiv.0802.2557 · pith_short_12: KO5ZIIS7ZIXR · pith_short_16: KO5ZIIS7ZIXRCCNY · pith_short_8: KO5ZIIS7

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/KO5ZIIS7ZIXRCCNY77ZT7YD2QR \
  | 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: 53bb94225fca2f1109b8fff33fe07a844491a1adb3499fd310a5cdc3395e58c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a7a1aa8ae03e9071a7b43027ea8dd81acfd1d0af624106baf89c5760f3663a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-02-18T21:58:03Z",
    "title_canon_sha256": "2a542b8b9b43f0fbda200f92b7284efd827e5f54320476f085155a9d043b5ef4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.2557",
    "kind": "arxiv",
    "version": 2
  }
}