Pith Number

pith:A35NGK7N

pith:2017:A35NGK7N2Q64FJ6MGREM74UO2A

not attested not anchored not stored refs pending

Modelling the cosmic spectral energy distribution and extragalactic background light over all time

Aaron S. G. Robotham, Claudia D. P. Lagos, Luke J. Davies, Simon P. Driver, Stephen K. Andrews

arxiv:1710.11329 v1 · 2017-10-31 · astro-ph.GA · 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	2026-05-18T00:27:42.097795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06fad32bedd43dc2a7cc3448cff28ed03ad97d6c4bd86047c0963cad6571689b

Aliases

arxiv: 1710.11329 · arxiv_version: 1710.11329v1 · doi: 10.48550/arxiv.1710.11329 · pith_short_12: A35NGK7N2Q64 · pith_short_16: A35NGK7N2Q64FJ6M · pith_short_8: A35NGK7N

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/A35NGK7N2Q64FJ6MGREM74UO2A \
  | 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: 06fad32bedd43dc2a7cc3448cff28ed03ad97d6c4bd86047c0963cad6571689b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1c5484fd51cd8d59fee7cc806c9f37f89d5369191485fd564039a80718ecacd",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-31T05:12:19Z",
    "title_canon_sha256": "b55b21c330c98391818b596d55e8db63fd06fe8ce249013c2eb21a8a315d849c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.11329",
    "kind": "arxiv",
    "version": 1
  }
}