Pith Number

pith:AIWDKMMK

pith:2005:AIWDKMMKQIHGFD2NCV6AJ43TKX

not attested not anchored not stored refs pending

The Birth of High Mass Stars: Accretion and/or Mergers?

Hans Zinnecker, John Bally

arxiv:astro-ph/0502485 v1 · 2005-02-23 · astro-ph

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	2026-05-18T02:40:25.784384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

022c35318a820e628f4d157c04f37355ed108488bf76039a18fdbc04f2f19d75

Aliases

arxiv: astro-ph/0502485 · arxiv_version: astro-ph/0502485v1 · doi: 10.48550/arxiv.astro-ph/0502485 · pith_short_12: AIWDKMMKQIHG · pith_short_16: AIWDKMMKQIHGFD2N · pith_short_8: AIWDKMMK

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/AIWDKMMKQIHGFD2NCV6AJ43TKX \
  | 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: 022c35318a820e628f4d157c04f37355ed108488bf76039a18fdbc04f2f19d75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e7a72b335c052a8ae4499a439910a1089c838acd766b5efed8ccc8c69a4db13",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-02-23T17:24:46Z",
    "title_canon_sha256": "ccc95c02c68a1c0537e119774fd111ac3f1a961b16e0b81f2c8f9eec9e982135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0502485",
    "kind": "arxiv",
    "version": 1
  }
}