Pith Number

pith:DEYQUGVY

pith:2017:DEYQUGVYI5RWHOPLYLGOIORVTO

not attested not anchored not stored refs pending

Where Did Copernicus Obtain the Tools to Build His Heliocentric Model? Historical Considerations and a Guiding Translation of Valentin Rose's "Ptolemaeus und die Schule von Toledo" (1874)

Belen Bistue, Kevin Krisciunas

arxiv:1712.05437 v1 · 2017-12-14 · physics.hist-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{DEYQUGVYI5RWHOPLYLGOIORVTO}

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	2026-05-18T00:27:56.482554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19310a1ab8476363b9ebc2cce43a359b91dc9135a4e662d9e2d6b13d6ae560b9

Aliases

arxiv: 1712.05437 · arxiv_version: 1712.05437v1 · doi: 10.48550/arxiv.1712.05437 · pith_short_12: DEYQUGVYI5RW · pith_short_16: DEYQUGVYI5RWHOPL · pith_short_8: DEYQUGVY

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/DEYQUGVYI5RWHOPLYLGOIORVTO \
  | 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: 19310a1ab8476363b9ebc2cce43a359b91dc9135a4e662d9e2d6b13d6ae560b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aa5aaf50b34dc317e1f44eef6a0bc10fdfff57fe978556812a487111ecf56d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2017-12-14T20:08:57Z",
    "title_canon_sha256": "dbe556fb622d9b2a78f7de2eac9e3bbd4c3e594fec36099af6c78712200cce63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05437",
    "kind": "arxiv",
    "version": 1
  }
}