Pith Number

pith:VG3WTOAN

pith:2014:VG3WTOANTJWVYF5WTC5RWXHVDB

not attested not anchored not stored refs pending

The first winter solstice observed at the meridian line of Santa Maria degli Angeli in Rome

Costantino Sigismondi

arxiv:1412.8616 v1 · 2014-12-30 · physics.hist-ph · physics.pop-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{VG3WTOANTJWVYF5WTC5RWXHVDB}

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	2026-05-18T02:30:16.849275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9b769b80d9a6d5c17b698bb1b5cf5184dad67573e102d1ba4dc7a3475b09896

Aliases

arxiv: 1412.8616 · arxiv_version: 1412.8616v1 · doi: 10.48550/arxiv.1412.8616 · pith_short_12: VG3WTOANTJWV · pith_short_16: VG3WTOANTJWVYF5W · pith_short_8: VG3WTOAN

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/VG3WTOANTJWVYF5WTC5RWXHVDB \
  | 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: a9b769b80d9a6d5c17b698bb1b5cf5184dad67573e102d1ba4dc7a3475b09896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7a02ab2ba7950f1e24fb058f7ce8ea2f4f027af92099447d85c30c784d84da7",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2014-12-30T12:24:28Z",
    "title_canon_sha256": "994e3d2d1db8719e1b304283073f1fe404e82eab6910e7afcf94ec59e626cec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8616",
    "kind": "arxiv",
    "version": 1
  }
}