Pith Number

pith:EACQFIMF

pith:2015:EACQFIMFLNMMGSQF7WTKYUOXCT

not attested not anchored not stored refs pending

Structures and components in galaxy clusters: observations and models

A.M. Bykov, C. Ferrari, E.M. Churazov, J. de Plaa, J.S. Kaastra, M. Markevitch, U. Klein, W.R. Forman

arxiv:1512.01456 v1 · 2015-12-04 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EACQFIMFLNMMGSQF7WTKYUOXCT}

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	2026-05-18T01:25:16.805370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

200502a1855b58c34a05fda6ac51d714f8e7f3b754a27f7bb2e9e7e42dfd7d48

Aliases

arxiv: 1512.01456 · arxiv_version: 1512.01456v1 · doi: 10.48550/arxiv.1512.01456 · pith_short_12: EACQFIMFLNMM · pith_short_16: EACQFIMFLNMMGSQF · pith_short_8: EACQFIMF

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/EACQFIMFLNMMGSQF7WTKYUOXCT \
  | 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: 200502a1855b58c34a05fda6ac51d714f8e7f3b754a27f7bb2e9e7e42dfd7d48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "974cba3526a1bfa1ecd46967705c5f79297dccd32dee6f91303a26121d7f39d1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-12-04T15:40:32Z",
    "title_canon_sha256": "9b70c705dd18f92478d2c1f2c8166b7869cba0a9e5126ff2582cafc5757e2f86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01456",
    "kind": "arxiv",
    "version": 1
  }
}