Pith Number

pith:3WQIRRAP

pith:2015:3WQIRRAPZD4QRG42TUP55LQK4Q

not attested not anchored not stored refs pending

Observing Strategy for the SDSS-IV/MaNGA IFU Galaxy Survey

Anne-Marie Weijmans, Brian Cherinka, David R. Law, Jose R. Sanchez-Gallego, Kai Zhang, Kevin Bundy, Mark Klaene, Matthew A. Bershady, Michael R. Blanton, Nicholas MacDonald, Niv Drory, Renbin Yan, Sean M. Moran, Sebastian F. Sanchez

arxiv:1505.04285 v1 · 2015-05-16 · astro-ph.IM · 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{3WQIRRAPZD4QRG42TUP55LQK4Q}

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	2026-05-18T02:07:25.852543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dda088c40fc8f9089b9a9d1fdeae0ae43f0508117fece3add458dfe431daebe7

Aliases

arxiv: 1505.04285 · arxiv_version: 1505.04285v1 · doi: 10.48550/arxiv.1505.04285 · pith_short_12: 3WQIRRAPZD4Q · pith_short_16: 3WQIRRAPZD4QRG42 · pith_short_8: 3WQIRRAP

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/3WQIRRAPZD4QRG42TUP55LQK4Q \
  | 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: dda088c40fc8f9089b9a9d1fdeae0ae43f0508117fece3add458dfe431daebe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c482e732686d681522c271a02a8b33701e872de238705c416e06fc573bce1d1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-05-16T15:39:17Z",
    "title_canon_sha256": "2980946915d28bdcd5905b94f01479b18199a0c62e04f1f2428baeaf49aad759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04285",
    "kind": "arxiv",
    "version": 1
  }
}