Pith Number

pith:GJDNAB3N

pith:2009:GJDNAB3NLHTUXOK4EGIQG4DS2C

not attested not anchored not stored refs pending

The circumstellar disk, envelope, and bi-polar outflow of the Massive Young Stellar Object W33A

Ben Davies (Leeds, Melvin G. Hoare, Rene D. Oudmaijer, RIT), Stuart L. Lumsden, Willem-Jan de Wit

arxiv:0911.4592 v1 · 2009-11-24 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJDNAB3NLHTUXOK4EGIQG4DS2C}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:10:37.154866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3246d0076d59e74bb95c2191037072d087645032cdd7a5bcbb260fccebb55613

Aliases

arxiv: 0911.4592 · arxiv_version: 0911.4592v1 · doi: 10.48550/arxiv.0911.4592 · pith_short_12: GJDNAB3NLHTU · pith_short_16: GJDNAB3NLHTUXOK4 · pith_short_8: GJDNAB3N

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/GJDNAB3NLHTUXOK4EGIQG4DS2C \
  | 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: 3246d0076d59e74bb95c2191037072d087645032cdd7a5bcbb260fccebb55613

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb38070e7dfa94bee47914363961510c3bc351dfd5e7f35149f33c3db452f68b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-24T10:23:30Z",
    "title_canon_sha256": "a1817e869adac8e49aed73ea21deece5303c2169d93df46b8b2b2b4344e51bee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4592",
    "kind": "arxiv",
    "version": 1
  }
}