Pith Number

pith:PCQ6P2V4

pith:2016:PCQ6P2V4Y4GVJXXAYI2VLVIU3M

not attested not anchored not stored refs pending

Extended Eckart Theorem and New Variation Method for Excited States of Atoms

(2) Theoretical, 3), (3) School of Economics, Athens, Greece, Jie Zang (1), Management, Nanjing, National Hellenic Research Foundation, N. C. Bacalis (2), Peoples Republic of China, Peoples Republic of China), Physical Chemistry Institute, Qin Zhou (3) ((1) Space Science, Southeast University, Technology Research Institute, Zhuang Xiong (1

arxiv:1602.08342 v1 · 2016-02-26 · physics.comp-ph · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCQ6P2V4Y4GVJXXAYI2VLVIU3M}

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	2026-05-18T01:19:56.304595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78a1e7eabcc70d54dee0c23555d514db39aa47c84a01ea7c8eff56881bfcc8f9

Aliases

arxiv: 1602.08342 · arxiv_version: 1602.08342v1 · doi: 10.48550/arxiv.1602.08342 · pith_short_12: PCQ6P2V4Y4GV · pith_short_16: PCQ6P2V4Y4GVJXXA · pith_short_8: PCQ6P2V4

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/PCQ6P2V4Y4GVJXXAYI2VLVIU3M \
  | 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: 78a1e7eabcc70d54dee0c23555d514db39aa47c84a01ea7c8eff56881bfcc8f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d669db0d2df2d1a06d318ae143160499df74d5c4f96bb26e3819eadc6636ff8",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2016-02-26T14:27:00Z",
    "title_canon_sha256": "0c00aa55df0f0afa8f206d00fe7decf3d275a6060e2694234a315b8ece7298a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08342",
    "kind": "arxiv",
    "version": 1
  }
}