Pith Number

pith:MZCTMLYO

pith:2011:MZCTMLYOYM5IFVADOM6FOTDWEM

not attested not anchored not stored refs pending

Lo Gnomone Clementino: Astronomia Meridiana in Chiesa dal '700 ad oggi

Costantino Sigismondi

arxiv:1106.2498 v2 · 2011-06-13 · astro-ph.IM · 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{MZCTMLYOYM5IFVADOM6FOTDWEM}

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	2026-05-18T04:18:54.247675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6645362f0ec33a82d403733c574c76230600607b8555648fef65f30e62a44c64

Aliases

arxiv: 1106.2498 · arxiv_version: 1106.2498v2 · doi: 10.48550/arxiv.1106.2498 · pith_short_12: MZCTMLYOYM5I · pith_short_16: MZCTMLYOYM5IFVAD · pith_short_8: MZCTMLYO

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/MZCTMLYOYM5IFVADOM6FOTDWEM \
  | 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: 6645362f0ec33a82d403733c574c76230600607b8555648fef65f30e62a44c64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f941dac70f64665c3c0c2f183b9f5aeeedc10d900f4295c6a7b423ab333abb04",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-06-13T17:31:47Z",
    "title_canon_sha256": "77b141e662259f392e14fb0b65d5d97f264704c51a1e85eb0ad5a710d6613ecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2498",
    "kind": "arxiv",
    "version": 2
  }
}