Pith Number

pith:3UZKC5IL

pith:2018:3UZKC5ILPHTKRMBIZ472PVZODS

not attested not anchored not stored refs pending

Focusing on the extended X-ray emission in 3C 459 with a Chandra follow-up observation

A. Maselli, F. Massaro, M. J. Hardcastle, R. P. Kraft

arxiv:1812.04015 v1 · 2018-12-10 · astro-ph.HE

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	2026-05-17T23:58:43.143985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd32a1750b79e6a8b028cf3fa7d72e1c91594963ddbd110f2386fa2d8d1a520e

Aliases

arxiv: 1812.04015 · arxiv_version: 1812.04015v1 · doi: 10.48550/arxiv.1812.04015 · pith_short_12: 3UZKC5ILPHTK · pith_short_16: 3UZKC5ILPHTKRMBI · pith_short_8: 3UZKC5IL

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/3UZKC5ILPHTKRMBIZ472PVZODS \
  | 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: dd32a1750b79e6a8b028cf3fa7d72e1c91594963ddbd110f2386fa2d8d1a520e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d9c33380bc7e0618c8e083d0ebe519979716dea89b8b4c761779e718a5b195c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-12-10T19:00:10Z",
    "title_canon_sha256": "7dcca9d275be9927288479f723015920a8cf59f11dbd26d031b0c551206143e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04015",
    "kind": "arxiv",
    "version": 1
  }
}