Pith Number

pith:UYXLRF4J

pith:2016:UYXLRF4JXX4BT53FKMHQJECDW7

not attested not anchored not stored refs pending

The growth of typical star-forming galaxies and their super massive black holes across cosmic time since z~2

Alasdair Thomson, Andra Stroe, Bret Lehmer, Chris Harrison, David Sobral, Ian Smail, Jo\~ao Calhau, Philip Best

arxiv:1609.03571 v1 · 2016-09-12 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYXLRF4JXX4BT53FKMHQJECDW7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T01:04:17.269732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a62eb89789bdf819f765530f049043b7cdfe4d05d4984a26ef469d5f4d3de8f8

Aliases

arxiv: 1609.03571 · arxiv_version: 1609.03571v1 · doi: 10.48550/arxiv.1609.03571 · pith_short_12: UYXLRF4JXX4B · pith_short_16: UYXLRF4JXX4BT53F · pith_short_8: UYXLRF4J

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/UYXLRF4JXX4BT53FKMHQJECDW7 \
  | 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: a62eb89789bdf819f765530f049043b7cdfe4d05d4984a26ef469d5f4d3de8f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9c3dca2604226ec59ce3993e49bb4d7f937878c388eab9951dc08eba4af79f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-12T20:00:06Z",
    "title_canon_sha256": "22d924ebf7684d5b29178b18bdcc797d1c5bd0668674a3495d725dbff1413d0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03571",
    "kind": "arxiv",
    "version": 1
  }
}