Pith Number

pith:2RAMFGPM

pith:2015:2RAMFGPMGWHRF4DSNACCD4CHSV

not attested not anchored not stored refs pending

Mapping the Outer Edge of the Young Stellar Cluster in the Galactic Center

Andrea M. Ghez, Jessica R. Lu, Morten N. St{\o}stad, Norm Murray, Sylvana Yelda, Tuan Do

arxiv:1504.07239 v1 · 2015-04-27 · 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{2RAMFGPMGWHRF4DSNACCD4CHSV}

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	2026-05-18T01:35:48.291347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d440c299ec358f12f072680421f0479562c7872b75a540d9f74ba7aadf0afa1b

Aliases

arxiv: 1504.07239 · arxiv_version: 1504.07239v1 · doi: 10.48550/arxiv.1504.07239 · pith_short_12: 2RAMFGPMGWHR · pith_short_16: 2RAMFGPMGWHRF4DS · pith_short_8: 2RAMFGPM

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/2RAMFGPMGWHRF4DSNACCD4CHSV \
  | 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: d440c299ec358f12f072680421f0479562c7872b75a540d9f74ba7aadf0afa1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a3abb04c74fe2c0e2aca2b657e706aebb669dd06bd570317c7d8e8f6b29109d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-27T20:00:37Z",
    "title_canon_sha256": "f8676dad3f867a6ecc1126997b103255f862647a3fce3a5b3378067b8cca67c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07239",
    "kind": "arxiv",
    "version": 1
  }
}