Pith Number

pith:PUMWGREN

pith:2004:PUMWGRENB6DIDIS4P7GLBKRVIG

not attested not anchored not stored refs pending

Palomar-QUEST: A case study in designing sky surveys in the VO era

Alexander S. Szalay, Anne Bauer, Ashish Mahabal, Charles Baltay, Dave Rabinowitz, Jeff Snyder, Jim Musser, Matthew J. Graham, Nick Morgan, Peter Andrews, Robert J. Brunner, Roy Williams, S. G. Djorgovski

arxiv:astro-ph/0402616 v1 · 2004-02-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUMWGRENB6DIDIS4P7GLBKRVIG}

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	2026-07-04T14:13:21.731812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d1963448d0f8681a25c7fccb0aa3541a6bec03f46da821f7cd16a01d87e20de

Aliases

arxiv: astro-ph/0402616 · arxiv_version: astro-ph/0402616v1 · doi: 10.48550/arxiv.astro-ph/0402616 · pith_short_12: PUMWGRENB6DI · pith_short_16: PUMWGRENB6DIDIS4 · pith_short_8: PUMWGREN

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/PUMWGRENB6DIDIS4P7GLBKRVIG \
  | 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: 7d1963448d0f8681a25c7fccb0aa3541a6bec03f46da821f7cd16a01d87e20de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76dc9585db2ac24eccaa521c0250cd669198da930cc4354cfb239a1a743ee83c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-25T23:54:51Z",
    "title_canon_sha256": "b0bfeda485cded206f62ecb495a5f7eb85a2599009412915cf5905d3d8f9cc2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402616",
    "kind": "arxiv",
    "version": 1
  }
}