Pith Number

pith:OLPPBW4Q

pith:2018:OLPPBW4Q23ESKAU4P7HXW2HXDG

not attested not anchored not stored refs pending

Vialactea Visual Analytics tool for Star Formation studies of the Galactic Plane

A. Costa, A.M. di Giorgio, D. Elia, E. Schisano, E. Sciacca, F. Vitello, G. Riccio, M. Bandieramonte, M. Benedettini, M. Brescia, M. Molinaro, R. Butora, R. Smareglia, S. Cavuoti, S. J. Liu, S. Molinari, U. Becciani

arxiv:1807.07723 v1 · 2018-07-20 · astro-ph.IM

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

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	2026-05-18T00:09:23.845125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72def0db90d6c925029c7fcf7b68f719a7859833548161ab3edf190bc9e6e910

Aliases

arxiv: 1807.07723 · arxiv_version: 1807.07723v1 · doi: 10.48550/arxiv.1807.07723 · pith_short_12: OLPPBW4Q23ES · pith_short_16: OLPPBW4Q23ESKAU4 · pith_short_8: OLPPBW4Q

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/OLPPBW4Q23ESKAU4P7HXW2HXDG \
  | 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: 72def0db90d6c925029c7fcf7b68f719a7859833548161ab3edf190bc9e6e910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6857b8968292724a6fd9eb92dfd156515d26e4b2b56540ffa10b0b655133b862",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-20T07:36:03Z",
    "title_canon_sha256": "8646106875cb943861079694730ab11cd402aaeddeff6083b5f55965112cff7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07723",
    "kind": "arxiv",
    "version": 1
  }
}