Pith Number

pith:JU4DDCUE

pith:2016:JU4DDCUEKQUUEQRE77FBOGS2VG

not attested not anchored not stored refs pending

A Comprehensive Archival Chandra Search for X-ray Emission from Ultracompact Dwarf Galaxies

Jenny E. Greene (Princeton), John Mulchaey (Carnegie Observatories), Viraj Pandya (Princeton)

arxiv:1601.01690 v1 · 2016-01-07 · 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{JU4DDCUEKQUUEQRE77FBOGS2VG}

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	2026-05-18T01:18:38.590021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d38318a845429424224ffca171a5aa9b7fedc4ae7d52c206993f5cf6ceeb049

Aliases

arxiv: 1601.01690 · arxiv_version: 1601.01690v1 · doi: 10.48550/arxiv.1601.01690 · pith_short_12: JU4DDCUEKQUU · pith_short_16: JU4DDCUEKQUUEQRE · pith_short_8: JU4DDCUE

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/JU4DDCUEKQUUEQRE77FBOGS2VG \
  | 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: 4d38318a845429424224ffca171a5aa9b7fedc4ae7d52c206993f5cf6ceeb049

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf611447f7211711b4a5c8e54352d90294169828804268e41338cf00a0433dbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-07T21:00:06Z",
    "title_canon_sha256": "b865d2452539f5640927c1d547b8c19542be4a5119989609e32c6aeb67dcb9ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01690",
    "kind": "arxiv",
    "version": 1
  }
}