Pith Number

pith:L7ZK2SZZ

pith:2009:L7ZK2SZZ2VUHAQR47DPU5DVRW2

not attested not anchored not stored refs pending

Green's Matrix for a Second Order Self-Adjoint Matrix Differential Operator

Bayram Tekin, Tahsin Cagri Sisman

arxiv:0908.0223 v1 · 2009-08-03 · math-ph · gr-qc · hep-th · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7ZK2SZZ2VUHAQR47DPU5DVRW2}

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	2026-05-18T04:32:01.852450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ff2ad4b39d56870423cf8df4e8eb1b68e540695f1d7a82a8d2b22e4af62468f

Aliases

arxiv: 0908.0223 · arxiv_version: 0908.0223v1 · doi: 10.48550/arxiv.0908.0223 · pith_short_12: L7ZK2SZZ2VUH · pith_short_16: L7ZK2SZZ2VUHAQR4 · pith_short_8: L7ZK2SZZ

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/L7ZK2SZZ2VUHAQR47DPU5DVRW2 \
  | 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: 5ff2ad4b39d56870423cf8df4e8eb1b68e540695f1d7a82a8d2b22e4af62468f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1107a92b55be01b742c077fab6314257071ab423368babe4932bc80fee58bd58",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-08-03T10:58:34Z",
    "title_canon_sha256": "4bd1dc85a4fafe719da98b27097edaaccec86be637e6562d036a0350862bc2a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0223",
    "kind": "arxiv",
    "version": 1
  }
}