Pith Number

pith:SZAM7DLU

pith:2013:SZAM7DLU3IDNVMMZDSC5KNCERY

not attested not anchored not stored refs pending

The external origin of the polar gaseous disk of the S0 galaxy IC 5181

Alessandro Pizzella, E. Dalla Bont\`a, Enrico Maria Corsini, Lorenzo Morelli, Mary Cesetti

arxiv:1309.5812 v1 · 2013-09-23 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZAM7DLU3IDNVMMZDSC5KNCERY}

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	2026-05-18T01:47:34.237806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9640cf8d74da06dab1991c85d534448e1fd186da80fb4be4d1614a49bd686ab2

Aliases

arxiv: 1309.5812 · arxiv_version: 1309.5812v1 · doi: 10.48550/arxiv.1309.5812 · pith_short_12: SZAM7DLU3IDN · pith_short_16: SZAM7DLU3IDNVMMZ · pith_short_8: SZAM7DLU

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/SZAM7DLU3IDNVMMZDSC5KNCERY \
  | 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: 9640cf8d74da06dab1991c85d534448e1fd186da80fb4be4d1614a49bd686ab2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9369e929d00aab678cd8d859a6f01f1cb5f8eeb73d51f6d1b69fe0bfe1b0d4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-23T14:04:41Z",
    "title_canon_sha256": "0454f94bb17d1db0071399679a7dc0d3283aeaf085134c3939dfa254fe723422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5812",
    "kind": "arxiv",
    "version": 1
  }
}