Pith Number

pith:UQK2U5TH

pith:2000:UQK2U5THWHGYC2KTZ6PDU23VC3

not attested not anchored not stored refs pending

The DEEP Groth Strip Survey X: Number Density and Luminosity Function of Field E/S0 Galaxies at z < 1

A. Phillips, C. N. A. Willmer, D. C. Koo, G. Illingworth, K. Gebhardt, L. Simard, Myungshin Im, N. P. Vogt, S. M. Faber, UCSC), V. L. Sarajedini (UCO/Lick Observatory

arxiv:astro-ph/0011092 v1 · 2000-11-03 · 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{UQK2U5THWHGYC2KTZ6PDU23VC3}

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	2026-05-18T01:13:45.639385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a415aa7667b1cd816953cf9e3a6b7516fb1aaaaeee5ae332eeeecef9cc9d82c0

Aliases

arxiv: astro-ph/0011092 · arxiv_version: astro-ph/0011092v1 · doi: 10.48550/arxiv.astro-ph/0011092 · pith_short_12: UQK2U5THWHGY · pith_short_16: UQK2U5THWHGYC2KT · pith_short_8: UQK2U5TH

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/UQK2U5THWHGYC2KTZ6PDU23VC3 \
  | 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: a415aa7667b1cd816953cf9e3a6b7516fb1aaaaeee5ae332eeeecef9cc9d82c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dab829944d1ca190f3f5ed252f65b5b7c66968058f96b5cb22feec23889240e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-03T18:17:42Z",
    "title_canon_sha256": "ec0b97597f86555a6e67f645101c8425b5f0a1b733965b0857b0efd4c0180d1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011092",
    "kind": "arxiv",
    "version": 1
  }
}