Pith Number

pith:U7UE56UA

pith:2011:U7UE56UA4Z53IXHRB7I24H2KJP

not attested not anchored not stored refs pending

Stato evolutivo delle stelle della Cintura di Orione ed implicazioni archeoastronomiche

Italy), Lecce, Universita' del Salento, Vincenzo Orofino (Dipartimento di Fisica

arxiv:1109.3284 v2 · 2011-09-15 · physics.hist-ph · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U7UE56UA4Z53IXHRB7I24H2KJP}

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	2026-05-18T04:12:01.843114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7e84efa80e67bb45cf10fd1ae1f4a4bc717c4e0e9a34e688c66fe39300d0464

Aliases

arxiv: 1109.3284 · arxiv_version: 1109.3284v2 · doi: 10.48550/arxiv.1109.3284 · pith_short_12: U7UE56UA4Z53 · pith_short_16: U7UE56UA4Z53IXHR · pith_short_8: U7UE56UA

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/U7UE56UA4Z53IXHRB7I24H2KJP \
  | 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: a7e84efa80e67bb45cf10fd1ae1f4a4bc717c4e0e9a34e688c66fe39300d0464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be5e4339da0727325e448e1ed13036cc5020e5dc9cd5f3f5353c941489dfa8af",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2011-09-15T08:04:19Z",
    "title_canon_sha256": "d9eaa8eba27df0f80cef1a45ca457b50462a99343d7b60ef9777645419f53a0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3284",
    "kind": "arxiv",
    "version": 2
  }
}