Pith Number

pith:UIQTGQMR

pith:2012:UIQTGQMRWUI24TW7D6RPPURJG6

not attested not anchored not stored refs pending

Spectral classification and HR diagram of pre-main sequence stars in NGC6530

F. Damiani (1) ((1) INAF - Osservatorio Astronomico di Palermo, G. Micela (1), L. Affer (1), L. Prisinzano (1), Palermo), S. Sciortino (1)

arxiv:1209.0898 v1 · 2012-09-05 · 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{UIQTGQMRWUI24TW7D6RPPURJG6}

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	2026-05-18T01:54:40.344164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a221334191b511ae4edf1fa2f7d2293796d4d83a059cb67d0c9e8975b9b15805

Aliases

arxiv: 1209.0898 · arxiv_version: 1209.0898v1 · doi: 10.48550/arxiv.1209.0898 · pith_short_12: UIQTGQMRWUI2 · pith_short_16: UIQTGQMRWUI24TW7 · pith_short_8: UIQTGQMR

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/UIQTGQMRWUI24TW7D6RPPURJG6 \
  | 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: a221334191b511ae4edf1fa2f7d2293796d4d83a059cb67d0c9e8975b9b15805

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d96e15991e313236775dfd1d5a25e74829643769455d2402b9d1f1b75fadc5ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-05T09:07:32Z",
    "title_canon_sha256": "e4d666f92a6316694d971cf85d7243feca5367c300be1678fd5248ef451f7dcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0898",
    "kind": "arxiv",
    "version": 1
  }
}