Pith Number

pith:X2UEF2U6

pith:2009:X2UEF2U6C7GSWNZG7FUO5JMWJW

not attested not anchored not stored refs pending

Robust determination of the major merger fraction at z = 0.6 in Groth Strip

2), (2) ESO, 3), (3) ULL, 4), (4) IAA, 5), (5) UCM, (6) MPE, (7) UF, C. E. Garc\'ia-Dab\'o (1, C. L\'opez-Sanjuan (1), D. Abreu (1), D. Crist\'obal-Hornillos (1, Germany, M. Balcells (1), M. C. Eliche-Moral (1, M. Prieto (1, P. Erwin (6), R. Guzm\'an (7) ((1) IAC, Spain, USA)

arxiv:0901.0189 v1 · 2009-01-01 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2UEF2U6C7GSWNZG7FUO5JMWJW}

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	2026-05-18T03:41:01.702737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea842ea9e17cd2b3726f968eea5964d9b85c5c20ddd7271e6734b6a79c13376

Aliases

arxiv: 0901.0189 · arxiv_version: 0901.0189v1 · doi: 10.48550/arxiv.0901.0189 · pith_short_12: X2UEF2U6C7GS · pith_short_16: X2UEF2U6C7GSWNZG · pith_short_8: X2UEF2U6

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/X2UEF2U6C7GSWNZG7FUO5JMWJW \
  | 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: bea842ea9e17cd2b3726f968eea5964d9b85c5c20ddd7271e6734b6a79c13376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c81827b5f770e6402969d778caa2907593cacfe8f415aafd8b2fa914033a93f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-01T18:36:01Z",
    "title_canon_sha256": "f3ef0fa942d4c73f508fe4b1bee1dab1ff54a08e32b6fef93c8c73b9c4e3f6ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0189",
    "kind": "arxiv",
    "version": 1
  }
}