Pith Number

pith:AJ5FBTDB

pith:2017:AJ5FBTDBLV6BF3OB2DHMBKBRTC

not attested not anchored not stored refs pending

Witnessing the Growth of the Nearest Galaxy Cluster: Thermodynamics of the Virgo Cluster Outskirts

A. Mantz, A. Simionescu, N. Werner, O. Urban, S. W. Allen

arxiv:1704.01236 v1 · 2017-04-05 · astro-ph.CO · astro-ph.GA

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	2026-05-18T00:43:25.792246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

027a50cc615d7c12edc1d0cec0a83198b5a259fa5abf00f66b84f03488123779

Aliases

arxiv: 1704.01236 · arxiv_version: 1704.01236v1 · doi: 10.48550/arxiv.1704.01236 · pith_short_12: AJ5FBTDBLV6B · pith_short_16: AJ5FBTDBLV6BF3OB · pith_short_8: AJ5FBTDB

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/AJ5FBTDBLV6BF3OB2DHMBKBRTC \
  | 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: 027a50cc615d7c12edc1d0cec0a83198b5a259fa5abf00f66b84f03488123779

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "099c78272dbb16e334ebffa7aaf71fc61a223cfccfda9b13f481e1790c62d4df",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-04-05T01:29:29Z",
    "title_canon_sha256": "205f008b223c36b0c915e6907a7b66bb79ce7aa59e621cdc94ded4856c12160e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01236",
    "kind": "arxiv",
    "version": 1
  }
}