Pith Number

pith:I7K42NVK

pith:2014:I7K42NVKCITVI2R2XPAPZKCNTY

not attested not anchored not stored refs pending

Magnetised accretion discs in Kerr spacetimes

Federico Garc\'ia, Ignacio F. Ranea-Sandoval

arxiv:1412.0557 v1 · 2014-12-01 · 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	2026-05-18T02:28:39.864766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47d5cd36aa1227546a3abbc0fca84d9e1b79eb9b7b8ebc5dd5928459ee48dbfc

Aliases

arxiv: 1412.0557 · arxiv_version: 1412.0557v1 · doi: 10.48550/arxiv.1412.0557 · pith_short_12: I7K42NVKCITV · pith_short_16: I7K42NVKCITVI2R2 · pith_short_8: I7K42NVK

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/I7K42NVKCITVI2R2XPAPZKCNTY \
  | 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: 47d5cd36aa1227546a3abbc0fca84d9e1b79eb9b7b8ebc5dd5928459ee48dbfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a297d6450621496af16fae0470ae37498e298bae34c0de75d186f0edaaab87eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-12-01T17:39:01Z",
    "title_canon_sha256": "c72dd672e3e19efeb4bee7bcb9c8150decd31115b0541561e92d85bdadf9551c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0557",
    "kind": "arxiv",
    "version": 1
  }
}