Pith Number

pith:5LZUUTFA

pith:2009:5LZUUTFAH45RDCMT7T26N2E7WS

not attested not anchored not stored refs pending

A 500 Parsec Halo Surrounding the Galactic Globular NGC 1851

Abhijit Saha, Annapurni Subramaniam, Edward W. Olszewski, Patricia Knezek, Patrick Seitzer, Thomas de Boer

arxiv:0909.1755 v1 · 2009-09-09 · 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{5LZUUTFAH45RDCMT7T26N2E7WS}

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	2026-05-18T02:11:57.920440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaf34a4ca03f3b118993fcf5e6e89fb48f3b504ff2c758073f854a77f8be0650

Aliases

arxiv: 0909.1755 · arxiv_version: 0909.1755v1 · doi: 10.48550/arxiv.0909.1755 · pith_short_12: 5LZUUTFAH45R · pith_short_16: 5LZUUTFAH45RDCMT · pith_short_8: 5LZUUTFA

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/5LZUUTFAH45RDCMT7T26N2E7WS \
  | 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: eaf34a4ca03f3b118993fcf5e6e89fb48f3b504ff2c758073f854a77f8be0650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f2a4525323a409dcb83497776c5dfabb65b6d356b06f6e0214667cb633fbe94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-09-09T17:56:16Z",
    "title_canon_sha256": "9d2dec9c0e0d2acdf1021a1de3766c754381a1f043e115d0ef4c3bdc57a4174c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1755",
    "kind": "arxiv",
    "version": 1
  }
}