Pith Number

pith:27ZDISET

pith:2014:27ZDISETYL365GT7LXGFEW7SO7

not attested not anchored not stored refs pending

Ultimate age-dating method for galaxy groups; clues from the Millennium Simulations

Ali A. Dariush, Alireza Molaeinezhad, Habib G. Khosroshahi, Mojtaba Raouf, Saeed Tavasoli, Trevor J. Ponman

arxiv:1405.3962 v2 · 2014-05-15 · 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{27ZDISETYL365GT7LXGFEW7SO7}

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	2026-05-18T02:51:43.344216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7f2344893c2f7ee9a7f5dcc525bf277fde8872b1045ec21e9c6482973843a98

Aliases

arxiv: 1405.3962 · arxiv_version: 1405.3962v2 · doi: 10.48550/arxiv.1405.3962 · pith_short_12: 27ZDISETYL36 · pith_short_16: 27ZDISETYL365GT7 · pith_short_8: 27ZDISET

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/27ZDISETYL365GT7LXGFEW7SO7 \
  | 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: d7f2344893c2f7ee9a7f5dcc525bf277fde8872b1045ec21e9c6482973843a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c8711c6eadb2472c9d15bac8c48beaada6ebd08f64e25cd367652b0ca4ad21e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-05-15T19:36:19Z",
    "title_canon_sha256": "bb7085d8f9b4be4e6538766f80333d39111f69099c7df3ee9664d8bc33bc0481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3962",
    "kind": "arxiv",
    "version": 2
  }
}