Pith Number

pith:KHS7QLMN

pith:2013:KHS7QLMNTXUI55GQ3WZICQS7OX

not attested not anchored not stored refs pending

A Predicted New Population of UV-faint Galaxies at z>4

Abraham Loeb, Pascal Oesch, Stuart Wyithe

arxiv:1308.2030 v1 · 2013-08-09 · 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	2026-05-18T01:48:21.894004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51e5f82d8d9de88ef4d0ddb281425f75ce6e80a1f180ca20a2bcce19d3fa3d4d

Aliases

arxiv: 1308.2030 · arxiv_version: 1308.2030v1 · doi: 10.48550/arxiv.1308.2030 · pith_short_12: KHS7QLMNTXUI · pith_short_16: KHS7QLMNTXUI55GQ · pith_short_8: KHS7QLMN

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/KHS7QLMNTXUI55GQ3WZICQS7OX \
  | 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: 51e5f82d8d9de88ef4d0ddb281425f75ce6e80a1f180ca20a2bcce19d3fa3d4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12aaab6e8f63aa0470fc40d1e6b179ed9ede30832203d3059c39e645ecb866fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-09T04:28:27Z",
    "title_canon_sha256": "a000f720c38f17ce6d7257f7c24f1c98b75fa0d7f508d2741362188c89a734cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2030",
    "kind": "arxiv",
    "version": 1
  }
}