Pith Number

pith:ZKGRFE4X

pith:2009:ZKGRFE4XGTVWMKXI3DXZ4WZDTG

not attested not anchored not stored refs pending

Discovery of the Silver Isotopes

A. Fritsch, A. Schuh, A. Shore, J.Q. Ginepro, M. Heim, M. Thoennessen

arxiv:0907.1629 v1 · 2009-07-09 · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZKGRFE4XGTVWMKXI3DXZ4WZDTG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:34:38.957332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca8d12939734eb662ae8d8ef9e5b2399aa51e5a3be438fb207a8df439958e447

Aliases

arxiv: 0907.1629 · arxiv_version: 0907.1629v1 · doi: 10.48550/arxiv.0907.1629 · pith_short_12: ZKGRFE4XGTVW · pith_short_16: ZKGRFE4XGTVWMKXI · pith_short_8: ZKGRFE4X

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/ZKGRFE4XGTVWMKXI3DXZ4WZDTG \
  | 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: ca8d12939734eb662ae8d8ef9e5b2399aa51e5a3be438fb207a8df439958e447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b61e057e44fecb5d122e2adfa8860ebf99fefa8833285240ade2935f1b89cabd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2009-07-09T17:30:34Z",
    "title_canon_sha256": "e2ec7ba77b45ce181ceae07445df822f3af6f093b229a507e243ea2f6a41bcc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1629",
    "kind": "arxiv",
    "version": 1
  }
}