Pith Number

pith:3WSPMWEU

pith:2016:3WSPMWEUJGJTXVZSZCBZFQZWLZ

not attested not anchored not stored refs pending

The elusive stellar halo of the Triangulum Galaxy

A. D. Mackey, A. M. N. Ferguson, A. W. McConnachie, B. J. Brewer, B. McMonigal, G. F. Lewis, M. J. Irwin, N. F. Martin, R. A. Ibata, S. C. Chapman

arxiv:1607.02190 v1 · 2016-07-07 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WSPMWEUJGJTXVZSZCBZFQZWLZ}

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	2026-05-18T01:05:42.396160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda4f6589449933bd732c88392c3365e4ecdbad9343859f351f2a0337d8a44ff

Aliases

arxiv: 1607.02190 · arxiv_version: 1607.02190v1 · doi: 10.48550/arxiv.1607.02190 · pith_short_12: 3WSPMWEUJGJT · pith_short_16: 3WSPMWEUJGJTXVZS · pith_short_8: 3WSPMWEU

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/3WSPMWEUJGJTXVZSZCBZFQZWLZ \
  | 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: dda4f6589449933bd732c88392c3365e4ecdbad9343859f351f2a0337d8a44ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feb2598858751d9634f9655b50205989f6a40418df0c6e6c6b66381e963f74e4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-07-07T22:57:31Z",
    "title_canon_sha256": "71d5548d9a137f8ffb7b9df4407fad6863ffa7ddd57f73d881cf11cd2980bb31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02190",
    "kind": "arxiv",
    "version": 1
  }
}