Pith Number

pith:D32E4FDR

pith:2013:D32E4FDRONG2G2GBAOLA72IHN7

not attested not anchored not stored refs pending

Regularized perturbative series for the ionization potential of atomic ions

A. Gonzalez, G. Gil

arxiv:1309.4392 v4 · 2013-09-17 · physics.atom-ph

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

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	2026-05-18T00:32:31.780286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ef44e1471734da368c103960fe9076fd1e41b1914dd41d7bca5c65ae8985abc

Aliases

arxiv: 1309.4392 · arxiv_version: 1309.4392v4 · doi: 10.48550/arxiv.1309.4392 · pith_short_12: D32E4FDRONG2 · pith_short_16: D32E4FDRONG2G2GB · pith_short_8: D32E4FDR

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/D32E4FDRONG2G2GBAOLA72IHN7 \
  | 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: 1ef44e1471734da368c103960fe9076fd1e41b1914dd41d7bca5c65ae8985abc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1f3d5547c033da5e32c2ccf92c4c9ebc846488acccc22d67c6b56d8377f4fea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-09-17T17:04:34Z",
    "title_canon_sha256": "a38bb821fc119f5a38271164de65affc2f6de0025bb4941394d67d0c7c7ab908"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4392",
    "kind": "arxiv",
    "version": 4
  }
}