Pith Number

pith:SRNYLPV4

pith:2009:SRNYLPV4LEEZADIJ6URUI5JVZT

not attested not anchored not stored refs pending

Massive star formation and feedback in W49A: The source of our Galaxy's most luminous water maser outflow

Barbara A. Whitney, Chris G. De Pree, James M. Jackson, Nathan Smith, Peter S. Conti

arxiv:0907.1662 v1 · 2009-07-09 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRNYLPV4LEEZADIJ6URUI5JVZT}

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	2026-05-18T02:13:04.130881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

945b85bebc5909900d09f523447535ccff767736a9d5733e3da12443fdf1be77

Aliases

arxiv: 0907.1662 · arxiv_version: 0907.1662v1 · doi: 10.48550/arxiv.0907.1662 · pith_short_12: SRNYLPV4LEEZ · pith_short_16: SRNYLPV4LEEZADIJ · pith_short_8: SRNYLPV4

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/SRNYLPV4LEEZADIJ6URUI5JVZT \
  | 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: 945b85bebc5909900d09f523447535ccff767736a9d5733e3da12443fdf1be77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53fff6d320f9a784baee8056c9a2a2606c8533440a170b08c6b9102904c5de85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-09T20:08:10Z",
    "title_canon_sha256": "9e0898d95cc2211d1da79b4133213dcad17e7d589e4944c3e0ab82b1f493615f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1662",
    "kind": "arxiv",
    "version": 1
  }
}