Pith Number

pith:CGGMMWN2

pith:2013:CGGMMWN2ZWNJCVUJKK7L7XMTJ2

not attested not anchored not stored refs pending

HST/COS Spectra of Three QSOs That Probe The Circumgalactic Medium of a Single Spiral Galaxy: Evidence for Gas Recycling and Outflow

Blair D. Savage, Brian A. Keeney, Charles W. Danforth, Emma V. Ryan-Weber, James C. Green, Jessica L. Rosenberg, J. Michael Shull, John T. Stocke

arxiv:1301.4242 v1 · 2013-01-17 · 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{CGGMMWN2ZWNJCVUJKK7L7XMTJ2}

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	2026-05-18T03:32:44.372887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

118cc659bacd9a91568952bebfdd934e9bd9f69cba033c5a576eb19af2eda339

Aliases

arxiv: 1301.4242 · arxiv_version: 1301.4242v1 · doi: 10.48550/arxiv.1301.4242 · pith_short_12: CGGMMWN2ZWNJ · pith_short_16: CGGMMWN2ZWNJCVUJ · pith_short_8: CGGMMWN2

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/CGGMMWN2ZWNJCVUJKK7L7XMTJ2 \
  | 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: 118cc659bacd9a91568952bebfdd934e9bd9f69cba033c5a576eb19af2eda339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb82a75bedd20f430c38b915c1e5dbe4aa8c66e64989fd983f0b285aa1b22220",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-17T21:23:24Z",
    "title_canon_sha256": "5e3be1f08eac0db9094c265a38fc257987676477a2047bac1fa1e479e456a0c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4242",
    "kind": "arxiv",
    "version": 1
  }
}