Pith Number

pith:DTMDXKG3

pith:2010:DTMDXKG3CLGNRJYFL3F5WIKC22

not attested not anchored not stored refs pending

Nationalism and internationalism in science: the case of the discovery of cosmic rays

Alessandro de Angelis, Per Carlson

arxiv:1012.5068 v2 · 2010-12-22 · physics.hist-ph · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTMDXKG3CLGNRJYFL3F5WIKC22}

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	2026-05-18T02:23:06.540558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cd83ba8db12ccd8a7055ecbdb2142d688911118b72701e9f47a4b083bdd3efb

Aliases

arxiv: 1012.5068 · arxiv_version: 1012.5068v2 · doi: 10.48550/arxiv.1012.5068 · pith_short_12: DTMDXKG3CLGN · pith_short_16: DTMDXKG3CLGNRJYF · pith_short_8: DTMDXKG3

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/DTMDXKG3CLGNRJYFL3F5WIKC22 \
  | 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: 1cd83ba8db12ccd8a7055ecbdb2142d688911118b72701e9f47a4b083bdd3efb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d611c1bec71d62c511eac62f9e3106f04d5cbec9dcd4830248ec2dbdc0de0a9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2010-12-22T18:37:54Z",
    "title_canon_sha256": "b65c9f9931dca850cb11564315321e113e093878bf5fe9df0c67f0e42586ac5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5068",
    "kind": "arxiv",
    "version": 2
  }
}