Pith Number

pith:GS6XYAIJ

pith:2012:GS6XYAIJMR3BQXZ43CO6HKDEXE

not attested not anchored not stored refs pending

Gerberto e le fistulae: tubi acustici ed astronomici

Costantino Sigismondi

arxiv:1211.0448 v1 · 2012-11-02 · physics.hist-ph · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GS6XYAIJMR3BQXZ43CO6HKDEXE}

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	2026-05-18T03:41:40.957179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34bd7c01096476185f3cd89de3a864b9279b161672a967b95c841b67a929e87a

Aliases

arxiv: 1211.0448 · arxiv_version: 1211.0448v1 · doi: 10.48550/arxiv.1211.0448 · pith_short_12: GS6XYAIJMR3B · pith_short_16: GS6XYAIJMR3BQXZ4 · pith_short_8: GS6XYAIJ

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/GS6XYAIJMR3BQXZ43CO6HKDEXE \
  | 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: 34bd7c01096476185f3cd89de3a864b9279b161672a967b95c841b67a929e87a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b27ae37607f9e5e2d31b74c8a1041236e24f86d28df657b8e9b8d5cc9ca1555",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2012-11-02T13:43:47Z",
    "title_canon_sha256": "aff176bd8597ee2e5b74deaeb422f2073720ad498e60f908078ad00850532fd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0448",
    "kind": "arxiv",
    "version": 1
  }
}