Pith Number

pith:KFXIONVO

pith:2016:KFXIONVOJZR2DQKP2P4OGG3QHT

not attested not anchored not stored refs pending

The gap of stellar mass in galaxy groups: another perspective of the Too-big-To-Fail problem in the Milky Way

L.Wang (PMO), Xi Kang (PMO), Y.Luo (PMO)

arxiv:1605.03964 v1 · 2016-05-12 · 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{KFXIONVOJZR2DQKP2P4OGG3QHT}

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	2026-05-18T01:12:29.275790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

516e8736ae4e63a1c14fd3f8e31b703cc1f03c247105dcc1e0ffe131c461eb20

Aliases

arxiv: 1605.03964 · arxiv_version: 1605.03964v1 · doi: 10.48550/arxiv.1605.03964 · pith_short_12: KFXIONVOJZR2 · pith_short_16: KFXIONVOJZR2DQKP · pith_short_8: KFXIONVO

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/KFXIONVOJZR2DQKP2P4OGG3QHT \
  | 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: 516e8736ae4e63a1c14fd3f8e31b703cc1f03c247105dcc1e0ffe131c461eb20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d8800f6f4ecec9ff67f94016f3451db7dece512545d6045dd3073dade90e445",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-05-12T20:00:01Z",
    "title_canon_sha256": "21e40454582dba4045c8c4773670e040f0214940033a4d1e37c504f3d4945021"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03964",
    "kind": "arxiv",
    "version": 1
  }
}