Pith Number

pith:UQI67ZFD

pith:2011:UQI67ZFDJZYIW5JKRO46E4BXQG

not attested not anchored not stored refs pending

K+A Galaxies as the Aftermath of Gas-Rich Mergers: Simulating the Evolution of Galaxies as Seen by Spectroscopic Surveys

Christopher C. Hayward, Gregory F. Snyder, Lars Hernquist, Patrik Jonsson, Thomas J. Cox

arxiv:1102.3689 v2 · 2011-02-17 · astro-ph.CO · 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{UQI67ZFDJZYIW5JKRO46E4BXQG}

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	2026-05-18T04:10:35.983055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a411efe4a34e708b752a8bb9e270378187d70203f0cd6e0cb0e22e74c4b32e8e

Aliases

arxiv: 1102.3689 · arxiv_version: 1102.3689v2 · doi: 10.48550/arxiv.1102.3689 · pith_short_12: UQI67ZFDJZYI · pith_short_16: UQI67ZFDJZYIW5JK · pith_short_8: UQI67ZFD

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/UQI67ZFDJZYIW5JKRO46E4BXQG \
  | 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: a411efe4a34e708b752a8bb9e270378187d70203f0cd6e0cb0e22e74c4b32e8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe2240fc384268a80aa1593bd832fa93912e0307e988f8c8e9e918d7bb67e244",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-17T21:00:00Z",
    "title_canon_sha256": "23f4ea75e6e47d7f3f05ce373d75d3870a50d95a47cf753455a1313c0a4cbcae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3689",
    "kind": "arxiv",
    "version": 2
  }
}