Pith Number

pith:AY57DEPV

pith:2009:AY57DEPV27NVYR5CEW5WYVTDNA

not attested not anchored not stored refs pending

12.2-GHz methanol masers associated with 1.2-mm dust clumps: Quantifying high-mass star formation evolutionary schemes

B. E. Lewis, J. L. Caswell, S. L. Breen, S. P. Ellingsen

arxiv:0910.1223 v1 · 2009-10-07 · astro-ph.SR · 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{AY57DEPV27NVYR5CEW5WYVTDNA}

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	2026-05-18T02:11:25.885484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

063bf191f5d7db5c47a225bb6c5663680d4477dbecc6988d7f38110ffb809409

Aliases

arxiv: 0910.1223 · arxiv_version: 0910.1223v1 · doi: 10.48550/arxiv.0910.1223 · pith_short_12: AY57DEPV27NV · pith_short_16: AY57DEPV27NVYR5C · pith_short_8: AY57DEPV

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/AY57DEPV27NVYR5CEW5WYVTDNA \
  | 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: 063bf191f5d7db5c47a225bb6c5663680d4477dbecc6988d7f38110ffb809409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be5223647dc5f89dfe0c8925666a29e8ea994a08dbc1b89188026f121accf18f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-07T12:33:07Z",
    "title_canon_sha256": "68ac5052a677c075c9a35415e2cf1e557efede6e0bae50c3940373318b18a5ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1223",
    "kind": "arxiv",
    "version": 1
  }
}