Pith Number

pith:HCVDG7W3

pith:2017:HCVDG7W3O43U76CZADWMZT67D4

not attested not anchored not stored refs pending

The distribution of local star formation activity as a function of galaxy stellar mass, environment and morphology

D. J. B. Smith, E. K. Lofthouse, M. J. Hardcastle, S. Kaviraj

arxiv:1709.01519 v1 · 2017-09-05 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCVDG7W3O43U76CZADWMZT67D4}

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

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	2026-05-18T00:32:39.098572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38aa337edb77374ff85900eccccfdf1f144ea82c5c70037ffd96112f2dd8b3df

Aliases

arxiv: 1709.01519 · arxiv_version: 1709.01519v1 · doi: 10.48550/arxiv.1709.01519 · pith_short_12: HCVDG7W3O43U · pith_short_16: HCVDG7W3O43U76CZ · pith_short_8: HCVDG7W3

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/HCVDG7W3O43U76CZADWMZT67D4 \
  | 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: 38aa337edb77374ff85900eccccfdf1f144ea82c5c70037ffd96112f2dd8b3df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f4b6126eeca7fce5bbdf0e26b1a406c19ba234b8488b7cd4b8374ca52d5c59e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-05T18:00:03Z",
    "title_canon_sha256": "3fd9de02abe91fb0c276733440a720fd8b4ba79bc5e54ee2c0525a2e1c38e064"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01519",
    "kind": "arxiv",
    "version": 1
  }
}