Pith Number

pith:EETW2GI4

pith:2013:EETW2GI4NISASVRRW4XNKP6PCJ

not attested not anchored not stored refs pending

A statistical study of SDSS radio-emitters

Andreas Eckart, Anton Zensus, Jens Zuther, Macarena Garc\'ia-Mar\'in, Marcus Bremer, Mariangela Vitale, M\'onica Valencia-S

arxiv:1303.0189 v1 · 2013-03-01 · 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	2026-05-18T03:32:06.594636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21276d191c6a24095631b72ed53fcf12505c89f33bb82ce6e6e1ae228a2a6fb1

Aliases

arxiv: 1303.0189 · arxiv_version: 1303.0189v1 · doi: 10.48550/arxiv.1303.0189 · pith_short_12: EETW2GI4NISA · pith_short_16: EETW2GI4NISASVRR · pith_short_8: EETW2GI4

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/EETW2GI4NISASVRRW4XNKP6PCJ \
  | 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: 21276d191c6a24095631b72ed53fcf12505c89f33bb82ce6e6e1ae228a2a6fb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b8359100d7aa39c26f63dc18b1e772cb5da665b84a6075ce522a2bea7b93945",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-01T15:18:02Z",
    "title_canon_sha256": "9f74fbf11483303984a5197412692c8e9e258fb2c24f65bb7a6adeb079dc243a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0189",
    "kind": "arxiv",
    "version": 1
  }
}