Pith Number

pith:LPRVLJ57

pith:2018:LPRVLJ572XK4V73W5D6D7KQOYU

not attested not anchored not stored refs pending

Galaxy Tagging: photometric redshift refinement and group richness enhancement

A. S. G. Robotham, L. J. Davies, M. J. Drinkwater, P. Norberg, P. R. Kafle, S. Deeley, S. P. Driver

arxiv:1802.09009 v1 · 2018-02-25 · 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{LPRVLJ572XK4V73W5D6D7KQOYU}

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	2026-05-18T00:11:37.946872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5be355a7bfd5d5caff76e8fc3faa0ec515e085d25a554ce015cc745aa63b776b

Aliases

arxiv: 1802.09009 · arxiv_version: 1802.09009v1 · doi: 10.48550/arxiv.1802.09009 · pith_short_12: LPRVLJ572XK4 · pith_short_16: LPRVLJ572XK4V73W · pith_short_8: LPRVLJ57

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/LPRVLJ572XK4V73W5D6D7KQOYU \
  | 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: 5be355a7bfd5d5caff76e8fc3faa0ec515e085d25a554ce015cc745aa63b776b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91473e227c65f9db31e35a2f35cf688c0d93940ffd3cefa4a6af252feae996bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-25T14:03:02Z",
    "title_canon_sha256": "b9ae7383bf7bfd5872656f38cdc08f232b131e46402bb47a696e4a9c6ac6e9fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09009",
    "kind": "arxiv",
    "version": 1
  }
}