Pith Number

pith:K3OOMIV5

pith:2009:K3OOMIV5UQWHYTAABAJJ7FVHZX

not attested not anchored not stored refs pending

Discovery of the Einsteinium Isotopes

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

arxiv:0912.4455 v2 · 2009-12-22 · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3OOMIV5UQWHYTAABAJJ7FVHZX}

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	2026-05-18T04:41:15.294522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56dce622bda42c7c4c0008129f96a7cdc02b1c1de95a4867c5eda864a87d09d4

Aliases

arxiv: 0912.4455 · arxiv_version: 0912.4455v2 · doi: 10.48550/arxiv.0912.4455 · pith_short_12: K3OOMIV5UQWH · pith_short_16: K3OOMIV5UQWHYTAA · pith_short_8: K3OOMIV5

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/K3OOMIV5UQWHYTAABAJJ7FVHZX \
  | 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: 56dce622bda42c7c4c0008129f96a7cdc02b1c1de95a4867c5eda864a87d09d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14c1509623a210a4da86ba07a040a09e94b9ebb0917e8e4423257f543f213d52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2009-12-22T17:10:04Z",
    "title_canon_sha256": "7c725b4479331962a9f26a892279d63870aaa101582bbd8afc2b87a50b404e9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4455",
    "kind": "arxiv",
    "version": 2
  }
}