Pith Number

pith:E2ZPOAL2

pith:2005:E2ZPOAL2ZK64O55PQS6W6UNZCG

not attested not anchored not stored refs pending

The ALHAMBRA Survey: For a systematic Study of Cosmic Evolution

Alberto Fern\'andez-Soto, Alfonso L\'opez Aguerri, Ascensi\'on del Olmo, Emilio Alfaro, Francisco J. Castander, Francisco Prada, Isabel M\'arquez, Jaime Perea, Jordi Cepa, Josefa Masegosa, Jos\'e M. Quintana, Leopoldo Infante, Mariano Moles, Miguel Cervi\~no, Narciso Ben\'itez, Rosa M. Gonz\'alez Delgado, Sebasti\'an S\'anchez, Tom Broadhurst, Vicent J. Mart\'inez

arxiv:astro-ph/0504545 v1 · 2005-04-25 · 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{E2ZPOAL2ZK64O55PQS6W6UNZCG}

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	2026-05-18T01:08:59.089571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b2f7017acabdc777af84bd6f51b911b63124b6876b726c42fe0a65e9f3832a

Aliases

arxiv: astro-ph/0504545 · arxiv_version: astro-ph/0504545v1 · doi: 10.48550/arxiv.astro-ph/0504545 · pith_short_12: E2ZPOAL2ZK64 · pith_short_16: E2ZPOAL2ZK64O55P · pith_short_8: E2ZPOAL2

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/E2ZPOAL2ZK64O55PQS6W6UNZCG \
  | 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: 26b2f7017acabdc777af84bd6f51b911b63124b6876b726c42fe0a65e9f3832a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f31046daca6e47855863cbed8aa410fc3ea612a5a1fd7c3b8df1320b753321c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-25T15:23:58Z",
    "title_canon_sha256": "96d0f252b4c5827ab61664435dc8f7d54251d413be0110a5a3e27b5e18159313"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504545",
    "kind": "arxiv",
    "version": 1
  }
}