Pith Number

pith:H2WXUA5V

pith:2009:H2WXUA5VE7XIMIG2GON5YDPC7W

not attested not anchored not stored refs pending

Resolving the molecular environment of Super Star Clusters in Henize 2-10

C.M. Walmsley, D.J. Wilner, G. Santangelo, L. Gregorini, L. Testi, L. Vanzi, S. Leurini

arxiv:0904.4784 v1 · 2009-04-30 · 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{H2WXUA5VE7XIMIG2GON5YDPC7W}

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	2026-05-18T02:13:48.904948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ead7a03b527ee8620da339bdc0de2fd96d0d446a8c79bda36714900d05e666a

Aliases

arxiv: 0904.4784 · arxiv_version: 0904.4784v1 · doi: 10.48550/arxiv.0904.4784 · pith_short_12: H2WXUA5VE7XI · pith_short_16: H2WXUA5VE7XIMIG2 · pith_short_8: H2WXUA5V

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/H2WXUA5VE7XIMIG2GON5YDPC7W \
  | 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: 3ead7a03b527ee8620da339bdc0de2fd96d0d446a8c79bda36714900d05e666a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9c6dfb55d9b650f737e0f12d748186a94bb338c48b5fe31f79b29beb443f2ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-30T11:40:23Z",
    "title_canon_sha256": "bd76be24d09caa8a349c2889b61d8b965750dff5b1ee0c1f05a6804d51699cd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4784",
    "kind": "arxiv",
    "version": 1
  }
}