Pith Number

pith:TULNLSDF

pith:2010:TULNLSDF5M4LPZJIHHNYW2ZFX2

not attested not anchored not stored refs pending

Sequential Star Formation in RCW 34: A Spectroscopic Census of the Stellar Content of High-mass Star-forming Regions

11), 12), 3), 4), 5), A. Bik (1), A. de Koter (4, A. Lenorzer (7), A. Stolte (5), Ch. Waelkens (3) ((1) MPIA (2) CSIC-INTA (3) Leuven (4) Amsterdam (5) ESO (6) Cologne (7) IAC (8) Wisconsin (9) UNAM (10) Beijing (11) Sheffield (12) Utrecht (13) Edinburgh), E. Churchwell (8), E. Puga (2, F. Comeron (6), H. Beuther (1), H. Linz (1), L.B.F.M. Waters (3, L. Kaper (4), M.B.N. Kouwenhoven (10, M. Horrobin (4, M. van den Ancker (6), S. Kurtz (9), Th. Henning (1), T. Vasyunina (1), W-.F. Thi (13)

arxiv:1002.2571 v1 · 2010-02-12 · 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{TULNLSDF5M4LPZJIHHNYW2ZFX2}

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	2026-05-18T02:09:08.824820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d16d5c865eb38b7e52839db8b6b25beb1574957985235604db22553e2b5c760

Aliases

arxiv: 1002.2571 · arxiv_version: 1002.2571v1 · doi: 10.48550/arxiv.1002.2571 · pith_short_12: TULNLSDF5M4L · pith_short_16: TULNLSDF5M4LPZJI · pith_short_8: TULNLSDF

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/TULNLSDF5M4LPZJIHHNYW2ZFX2 \
  | 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: 9d16d5c865eb38b7e52839db8b6b25beb1574957985235604db22553e2b5c760

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1205c4e7fa06fbf2176e567e77dc47172919263f23ce6a61d410d31fe453bbfd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-02-12T14:58:05Z",
    "title_canon_sha256": "8a3bd6984aaf0df9c9dda04610d8d92839b2df4855050f16365ddd326d42c2c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2571",
    "kind": "arxiv",
    "version": 1
  }
}