Pith Number

pith:FHMIK37W

pith:2013:FHMIK37W2NMHP225KEMBQ4B7PC

not attested not anchored not stored refs pending

Star Formation in High-Redshift Starburst Galaxies

Desika Narayanan (Arizona)

arxiv:1304.6429 v1 · 2013-04-23 · 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	2026-05-18T03:27:13.153748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29d8856ff6d35877eb5d511818703f78bbf8686cca83b42027312e2969250b86

Aliases

arxiv: 1304.6429 · arxiv_version: 1304.6429v1 · doi: 10.48550/arxiv.1304.6429 · pith_short_12: FHMIK37W2NMH · pith_short_16: FHMIK37W2NMHP225 · pith_short_8: FHMIK37W

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/FHMIK37W2NMHP225KEMBQ4B7PC \
  | 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: 29d8856ff6d35877eb5d511818703f78bbf8686cca83b42027312e2969250b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5390c696136abb4b8473b63da011c2cfa3771e4e172a7993f90febbb34ca6e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-23T21:37:27Z",
    "title_canon_sha256": "33876ddfc06c530d96d3ec63a8ab6f482c42da556364ff37929dbee6127ac194"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6429",
    "kind": "arxiv",
    "version": 1
  }
}