Pith Number

pith:KVFXSPGP

pith:2011:KVFXSPGPMTLHGETVSTK4NY3AX3

not attested not anchored not stored refs pending

Incontri celesti, vita del padre Clavio in cinque atti

Costantino Sigismondi

arxiv:1106.2517 v1 · 2011-06-13 · 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{KVFXSPGPMTLHGETVSTK4NY3AX3}

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	2026-05-18T04:20:05.687063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

554b793ccf64d673127594d5c6e360bec9310b9b45efe3fdfa015da5ba6e8028

Aliases

arxiv: 1106.2517 · arxiv_version: 1106.2517v1 · doi: 10.48550/arxiv.1106.2517 · pith_short_12: KVFXSPGPMTLH · pith_short_16: KVFXSPGPMTLHGETV · pith_short_8: KVFXSPGP

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/KVFXSPGPMTLHGETVSTK4NY3AX3 \
  | 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: 554b793ccf64d673127594d5c6e360bec9310b9b45efe3fdfa015da5ba6e8028

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65277b8f37c4cd954266bd143aaa6e522366fa910ba0a0e17230bbdef6de3def",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2011-06-13T18:58:10Z",
    "title_canon_sha256": "45c7bfdf2b0ef58ed95422d38781d25d729554d865fa3a2c1b7c9fb2719a2bd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2517",
    "kind": "arxiv",
    "version": 1
  }
}