Pith Number

pith:WWQTZR3X

pith:2016:WWQTZR3XHCEDWNC4OM3SX7EJBT

not attested not anchored not stored refs pending

Constraints on galaxy formation models from the galaxy stellar mass function and its evolution

(2) Durham University), Ian Vernon (2), Luiz Felippe S. Rodrigues (1), Richard Bower (2) ((1) Newcastle University

arxiv:1609.06922 v3 · 2016-09-22 · 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{WWQTZR3XHCEDWNC4OM3SX7EJBT}

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	2026-05-18T00:51:57.550376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5a13cc77738883b345c73372bfc890cc8f687a8928f2bdbc32e8aba99ba1c79

Aliases

arxiv: 1609.06922 · arxiv_version: 1609.06922v3 · doi: 10.48550/arxiv.1609.06922 · pith_short_12: WWQTZR3XHCED · pith_short_16: WWQTZR3XHCEDWNC4 · pith_short_8: WWQTZR3X

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/WWQTZR3XHCEDWNC4OM3SX7EJBT \
  | 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: b5a13cc77738883b345c73372bfc890cc8f687a8928f2bdbc32e8aba99ba1c79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eea125e84669876a364f44629f6032221353d24eeb97169d59c222d0fb6d00f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-22T11:50:09Z",
    "title_canon_sha256": "83dc95d7e01f837259281512fc8e69882aff77235057fdaacf722ae45b5a4093"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06922",
    "kind": "arxiv",
    "version": 3
  }
}