Pith Number

pith:3QGBJQVY

pith:2018:3QGBJQVY2ILGENZ6VR4UMEW7XD

not attested not anchored not stored refs pending

A teaching guide of nuclear physics: the concept of bond

Alessandro Pastore, Simone Baroni

arxiv:1808.02687 v2 · 2018-08-08 · physics.ed-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{3QGBJQVY2ILGENZ6VR4UMEW7XD}

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	2026-05-18T00:03:15.457762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc0c14c2b8d21662373eac794612dfb8ef597158ad916460c05d3026f9e69023

Aliases

arxiv: 1808.02687 · arxiv_version: 1808.02687v2 · doi: 10.48550/arxiv.1808.02687 · pith_short_12: 3QGBJQVY2ILG · pith_short_16: 3QGBJQVY2ILGENZ6 · pith_short_8: 3QGBJQVY

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/3QGBJQVY2ILGENZ6VR4UMEW7XD \
  | 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: dc0c14c2b8d21662373eac794612dfb8ef597158ad916460c05d3026f9e69023

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48ac03391d39ce22fd7bfdb15539f59dee00784f395b778980d7ed45537f6659",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-08-08T09:25:30Z",
    "title_canon_sha256": "d658851b1232f02841cf1f37eedc95663047ed49f1456e3358713dc63f940eb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02687",
    "kind": "arxiv",
    "version": 2
  }
}