Pith Number

pith:WNOQUMUB

pith:2009:WNOQUMUBE7TG7E2VKUSOHT5AHY

not attested not anchored not stored refs pending

The Science Case for PILOT II: the Distant Universe

A. Bunker, D. Burgarella, J.C. Wheeler, J.S. Lawrence, J.W.V. Storey, K. Glazebrook, K. Pimbblet, M.C.B. Ashley, M.G. Burton, N. Gehrels, R. Bouwens, R. Quimby, W. Saunders

arxiv:0905.4616 v1 · 2009-05-28 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WNOQUMUBE7TG7E2VKUSOHT5AHY}

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	2026-05-18T02:13:31.254334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b35d0a328127e66f93555524e3cfa03e147466410e52a861c2dbbb27e78ab788

Aliases

arxiv: 0905.4616 · arxiv_version: 0905.4616v1 · doi: 10.48550/arxiv.0905.4616 · pith_short_12: WNOQUMUBE7TG · pith_short_16: WNOQUMUBE7TG7E2V · pith_short_8: WNOQUMUB

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/WNOQUMUBE7TG7E2VKUSOHT5AHY \
  | 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: b35d0a328127e66f93555524e3cfa03e147466410e52a861c2dbbb27e78ab788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be7f5b5a3ed16968704957e32c1f08365593f3df45a30efe0666a3c5b9efa73b",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-28T11:27:05Z",
    "title_canon_sha256": "c192bb9fdb01dc003741570fb078927ee13bf11ee479714f8a93b467a8fdcf24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4616",
    "kind": "arxiv",
    "version": 1
  }
}