Pith Number

pith:PZCDQIN6

pith:2005:PZCDQIN62WH5OQIUBCUPFCJBR5

not attested not anchored not stored refs pending

The Youngest Stellar clusters Clusters associated with massive protostellar candidates

E. Clerkin, E. Keto, M. S. N. Kumar

arxiv:astro-ph/0512266 v1 · 2005-12-10 · astro-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{PZCDQIN62WH5OQIUBCUPFCJBR5}

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	2026-05-18T00:12:58.997678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e443821bed58fd7411408a8f289218f61b68bbdcad1b4a16a98d442d61b0a5a

Aliases

arxiv: astro-ph/0512266 · arxiv_version: astro-ph/0512266v1 · doi: 10.48550/arxiv.astro-ph/0512266 · pith_short_12: PZCDQIN62WH5 · pith_short_16: PZCDQIN62WH5OQIU · pith_short_8: PZCDQIN6

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/PZCDQIN62WH5OQIUBCUPFCJBR5 \
  | 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: 7e443821bed58fd7411408a8f289218f61b68bbdcad1b4a16a98d442d61b0a5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e48aaf6fc1f81f68b8af1eddb6b5bb4a13e78b35fdc2c90c3ba7fa21922fae7c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-10T16:37:03Z",
    "title_canon_sha256": "00a3746b7362b9e0c526de757b1a26989af1061383a1df172e9f8b6abed866a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512266",
    "kind": "arxiv",
    "version": 1
  }
}