Pith Number

pith:7NPTUNDX

pith:2015:7NPTUNDX4PHIONKXQH77RWZRJC

not attested not anchored not stored refs pending

AGN duty cycle estimates for the ultra-steep spectrum radio relic VLSS J1431.8+1331

A. Shulevski, C. Horellou, D. A. Rafferty, E. Mahony, F. De Gasperin, G. Brunetti, G. J. White, G. Miley, H. J. A. R\"ottgering, J. Conway, J. J. Harwood, K. T. Chyzy, L. B\^irzan, M. Brienza, M. Br\"uggen, M. Jamrozy, M. Kunert-Bajraszewska, M. W. Wise, N. Vilchez, P. D. Barthel, R. J. van Weeren, R. Morganti

arxiv:1510.01479 v1 · 2015-10-06 · 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	2026-05-18T01:27:56.679730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb5f3a3477e3ce87355781fff8db314883e342477904cc7910016201533bae7e

Aliases

arxiv: 1510.01479 · arxiv_version: 1510.01479v1 · doi: 10.48550/arxiv.1510.01479 · pith_short_12: 7NPTUNDX4PHI · pith_short_16: 7NPTUNDX4PHIONKX · pith_short_8: 7NPTUNDX

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/7NPTUNDX4PHIONKXQH77RWZRJC \
  | 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: fb5f3a3477e3ce87355781fff8db314883e342477904cc7910016201533bae7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0db29772d2fa42638b76c49ef0d170979411dd1fb0dc4a789f2aca4579306789",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-06T08:53:18Z",
    "title_canon_sha256": "25d3c756aa1e1c15dcc9bc765d8dd9d032e1474771890b3548f3adc184540fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01479",
    "kind": "arxiv",
    "version": 1
  }
}