Pith Number

pith:SG2QNIRJ

pith:2015:SG2QNIRJPSFCPPKR3F42I4FOGO

not attested not anchored not stored refs pending

Mass and size growth of early-type galaxies by dry mergers in cluster environments

Asao Habe (Hokkaido University), Taira Oogi (Bunkyo University), Tomoaki Ishiyama (Chiba University)

arxiv:1511.01511 v2 · 2015-11-04 · 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{SG2QNIRJPSFCPPKR3F42I4FOGO}

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	2026-05-18T01:22:11.167376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91b506a2297c8a27bd51d979a470ae33a35c9e69f26bd1766f9318519796ea02

Aliases

arxiv: 1511.01511 · arxiv_version: 1511.01511v2 · doi: 10.48550/arxiv.1511.01511 · pith_short_12: SG2QNIRJPSFC · pith_short_16: SG2QNIRJPSFCPPKR · pith_short_8: SG2QNIRJ

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/SG2QNIRJPSFCPPKR3F42I4FOGO \
  | 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: 91b506a2297c8a27bd51d979a470ae33a35c9e69f26bd1766f9318519796ea02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6affa7b9d8713f359b04ebc2152a1690e4012c6152521613910c7ae9b73dc78",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-04T21:08:56Z",
    "title_canon_sha256": "3ba82e6681e5eb1c7faef65c4c8e066ef00f5ba58692025822114c1f65b09317"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01511",
    "kind": "arxiv",
    "version": 2
  }
}