Pith Number

pith:NMIOBFGF

pith:2006:NMIOBFGFJDARIPAVVB7YYQHFIC

not attested not anchored not stored refs pending

The VLT-FLAMES survey of massive stars: Surface chemical compositions of B-type stars in the Magellanic Clouds

(2) Royal Observatory, (3) Isaac Newton Group of Telescopes, 4), (4) IAC, (5) University of Arizona, (6) University of Maryland), C. J. Evans (2), C. Trundle (1, D. J. Lennon (3, Edinburgh, I. Hubeny (5), I. Hunter (1), La Palma, P. L. Dufton (1), R. S. I. Ryans (1), S. J. Smartt (1), Tenerife, T. Lanz (6) ((1) Queen's University of Belfast

arxiv:astro-ph/0609710 v2 · 2006-09-26 · 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	2026-05-18T02:40:25.153781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b10e094c548c1143c15a87f8c40e5409b8022dccd8c85638cb3e12ff9b04749

Aliases

arxiv: astro-ph/0609710 · arxiv_version: astro-ph/0609710v2 · doi: 10.48550/arxiv.astro-ph/0609710 · pith_short_12: NMIOBFGFJDAR · pith_short_16: NMIOBFGFJDARIPAV · pith_short_8: NMIOBFGF

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/NMIOBFGFJDARIPAVVB7YYQHFIC \
  | 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: 6b10e094c548c1143c15a87f8c40e5409b8022dccd8c85638cb3e12ff9b04749

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd0889f3336fb563089286bb032c9021f0395b5716de3f71fec6bbf03a138293",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-26T14:25:35Z",
    "title_canon_sha256": "87cc1bd0376732855868d73c9a5810e72154b8062db891185c6e54c9f4806187"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609710",
    "kind": "arxiv",
    "version": 2
  }
}