Pith Number

pith:EHGUWIUV

pith:2014:EHGUWIUVVXYHXZ3C5FR6CZMEIY

not attested not anchored not stored refs pending

Ionized gas disks in elliptical and S0 galaxies at $z<1$

Alfonso Aragon-Salamanca, Bianca M. Poggianti, Bodo Ziegler, Carlos Hoyos, Claire Halliday, Dennis Zaritsky, Gregory Rudnick, Harald Kuntschner, Ricardo Demarco, Yara L. Jaffe

arxiv:1403.3104 v2 · 2014-03-12 · 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{EHGUWIUVVXYHXZ3C5FR6CZMEIY}

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	2026-05-18T01:44:01.820410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21cd4b2295adf07be762e963e1658446181ee0998ac106a938b0f7b9c6603707

Aliases

arxiv: 1403.3104 · arxiv_version: 1403.3104v2 · doi: 10.48550/arxiv.1403.3104 · pith_short_12: EHGUWIUVVXYH · pith_short_16: EHGUWIUVVXYHXZ3C · pith_short_8: EHGUWIUV

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/EHGUWIUVVXYHXZ3C5FR6CZMEIY \
  | 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: 21cd4b2295adf07be762e963e1658446181ee0998ac106a938b0f7b9c6603707

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae77bd36d771d5ffec4b6cb13bdaa5d991da91ad1943c3c97cd9e75d1effa052",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-12T20:06:26Z",
    "title_canon_sha256": "10fa4debd19da26ada52f642b38d718f9f4fce926e872941eeb1de6c58e64c41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3104",
    "kind": "arxiv",
    "version": 2
  }
}