Pith Number

pith:A74HUO7X

pith:2018:A74HUO7XXUTWYDSI26YP2EXFIR

not attested not anchored not stored refs pending

The stellar population of Sco OB2 revealed by Gaia DR2 data

F. Damiani, G. Micela, I. Pillitteri, L. Prisinzano, S. Sciortino

arxiv:1807.11884 v2 · 2018-07-31 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A74HUO7XXUTWYDSI26YP2EXFIR}

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	2026-05-17T23:51:33.510026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07f87a3bf7bd276c0e48d7b0fd12e5444a6ddb3312239e10fb56f70a0d0172e8

Aliases

arxiv: 1807.11884 · arxiv_version: 1807.11884v2 · doi: 10.48550/arxiv.1807.11884 · pith_short_12: A74HUO7XXUTW · pith_short_16: A74HUO7XXUTWYDSI · pith_short_8: A74HUO7X

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/A74HUO7XXUTWYDSI26YP2EXFIR \
  | 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: 07f87a3bf7bd276c0e48d7b0fd12e5444a6ddb3312239e10fb56f70a0d0172e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4078bc73a03845a5a15bce12637f759369e95e2ad9519942c3428ff84664a0ae",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-31T15:56:09Z",
    "title_canon_sha256": "1e9a9dcdec1578fea81211c9a0e3475046999b2b1e24c0130f420a2610c57a52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11884",
    "kind": "arxiv",
    "version": 2
  }
}