Pith Number

pith:XPUBVA64

pith:2017:XPUBVA64VTDXJ4EHQW2BUFDGR5

not attested not anchored not stored refs pending

Discovery of ram-pressure stripped gas around an elliptical galaxy in Abell 2670

Ezequiel Treister, Graeme Candlish, Julie Nantais, Minjin Kim, Pierre-Alain Duc, Ricardo Demarco, Rory Smith, Sukyoung K. Yi, Yara Jaffe, Yun-Kyeong Sheen

arxiv:1704.05173 v2 · 2017-04-18 · 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{XPUBVA64VTDXJ4EHQW2BUFDGR5}

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	2026-05-18T00:45:10.623229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbe81a83dcacc774f08785b41a14668f725bcd60d3b96f653bdf953bc06e4cde

Aliases

arxiv: 1704.05173 · arxiv_version: 1704.05173v2 · doi: 10.48550/arxiv.1704.05173 · pith_short_12: XPUBVA64VTDX · pith_short_16: XPUBVA64VTDXJ4EH · pith_short_8: XPUBVA64

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/XPUBVA64VTDXJ4EHQW2BUFDGR5 \
  | 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: bbe81a83dcacc774f08785b41a14668f725bcd60d3b96f653bdf953bc06e4cde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc1ee850cac3f96cb0e21b212d3df7ec21e37455503c6dda93c225eddd678671",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-18T02:11:18Z",
    "title_canon_sha256": "b50c29ed72d24a3782e032123a887c66811b04e601238de6efc23b2723df5aea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.05173",
    "kind": "arxiv",
    "version": 2
  }
}