pith. sign in
Pith Number

pith:P4X4B2NN

pith:2018:P4X4B2NNSSXNR3NCZQBZX25K4P
not attested not anchored not stored refs pending

Un enfoque de ense\~nanza de la Astronom\'ia: Algunas consideraciones epistemol\'ogicas y did\'acticas

Agustin Aduriz-Bravo, Alejandro Gangui

arxiv:1810.02666 v1 · 2018-09-25 · physics.ed-ph · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{P4X4B2NNSSXNR3NCZQBZX25K4P}

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 2026-05-18T00:04:01.067873Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7f2fc0e9ad94aed8eda2cc039bebaae3ff9e23c7d2969db26a8cf499259e911b

Aliases

arxiv: 1810.02666 · arxiv_version: 1810.02666v1 · doi: 10.48550/arxiv.1810.02666 · pith_short_12: P4X4B2NNSSXN · pith_short_16: P4X4B2NNSSXNR3NC · pith_short_8: P4X4B2NN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/P4X4B2NNSSXNR3NCZQBZX25K4P \
  | 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: 7f2fc0e9ad94aed8eda2cc039bebaae3ff9e23c7d2969db26a8cf499259e911b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "09c1533671a3a52c8d09974b03136673787a9ed31650642afb21e95308ce024c",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-09-25T17:29:51Z",
    "title_canon_sha256": "17692ca6e4ed72a206ce325e018c2e629d08fe38000e2f4cf984c53647fc9125"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02666",
    "kind": "arxiv",
    "version": 1
  }
}