Pith Number

pith:QR2IR2G7

pith:2016:QR2IR2G73RTTRUGW5LY2FG7ZQF

not attested not anchored not stored refs pending

The relation between mass and concentration in X-ray galaxy clusters at high redshift

1) ((1) Dipartimento di Fisica e Astronomia, (2) INAF, 3), (3) INFN, 4, (4) Faculty of Physics, 5), (5) Excellence Cluster Universe), Ludwig-Maximilians-Universitaet, Mauro Sereno (2, Osservatorio Astronomico di Bologna, Raffaella Capasso (1, Sezione di Bologna, Stefania Amodeo (1), Stefano Ettori (2, Universit\`a di Bologna

arxiv:1604.02163 v1 · 2016-04-07 · astro-ph.CO

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

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	2026-05-18T01:13:11.209993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

847488e8dfdc6738d0d6eaf1a29bf9815479f9ead0da7c798f53d9a968d7795b

Aliases

arxiv: 1604.02163 · arxiv_version: 1604.02163v1 · doi: 10.48550/arxiv.1604.02163 · pith_short_12: QR2IR2G73RTT · pith_short_16: QR2IR2G73RTTRUGW · pith_short_8: QR2IR2G7

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/QR2IR2G73RTTRUGW5LY2FG7ZQF \
  | 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: 847488e8dfdc6738d0d6eaf1a29bf9815479f9ead0da7c798f53d9a968d7795b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea9ed7d16b0ad5ec0ea06a6d5bb8cb204e5b8bf21248ea3816889b8cdbc60fec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-04-07T20:13:07Z",
    "title_canon_sha256": "efe285116be2572f4880c1d9e4d9b09140bf0718be2046be7f9b10b11b91f819"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02163",
    "kind": "arxiv",
    "version": 1
  }
}