Pith Number

pith:YKUDI6UU

pith:2006:YKUDI6UUFUG6KD77RCQ5USWJQQ

not attested not anchored not stored refs pending

Luminous Compact Blue Galaxies up to z~1 in the HST Ultra Deep Field: I. Small galaxies, or blue centers of massive disks?

(3) Institute for astrophysics, A.C. Phillips (1), A. Gil de Paz (2), C.N.A. Willmer (1), D.C. Koo (1), Germany), Goettingen, J. Melbourne (1), K.G. Noeske (1), Pasadena, P. Papaderos (3) ((1) Lick Observatory, Santa Cruz, USA, USA (2) Carnegie Observatories

arxiv:astro-ph/0602610 v1 · 2006-02-28 · 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{YKUDI6UUFUG6KD77RCQ5USWJQQ}

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	2026-07-04T16:58:03.364285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2a8347a942d0de50fff88a1da4ac984274ca1c08f3fc6cdde38beb1c2834e3a

Aliases

arxiv: astro-ph/0602610 · arxiv_version: astro-ph/0602610v1 · doi: 10.48550/arxiv.astro-ph/0602610 · pith_short_12: YKUDI6UUFUG6 · pith_short_16: YKUDI6UUFUG6KD77 · pith_short_8: YKUDI6UU

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/YKUDI6UUFUG6KD77RCQ5USWJQQ \
  | 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: c2a8347a942d0de50fff88a1da4ac984274ca1c08f3fc6cdde38beb1c2834e3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6c7eae050c7be69882dfbf5185d6749b029f8cbf11812fd2e77d9ecacd3ec0c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-28T04:27:08Z",
    "title_canon_sha256": "3e0569c8887e214559f7ae2458fe46348946e6f2513d73f65e1f321450eacbee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602610",
    "kind": "arxiv",
    "version": 1
  }
}