Pith Number

pith:GEX422YT

pith:2008:GEX422YT5A7CJCVHNOJ4WSGH3T

not attested not anchored not stored refs pending

Characterization of AGN and their hosts in the Extended Groth Strip: a multiwavelength analysis

Cristina Ramos Almeida, Guillermo Barro, Jesus Gallego, Jose Miguel Rodriguez Espinosa, Pablo G. Perez-Gonzalez

arxiv:0810.1709 v1 · 2008-10-09 · 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{GEX422YT5A7CJCVHNOJ4WSGH3T}

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	2026-07-04T17:13:09.006753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

312fcd6b13e83e248aa76b93cb48c7dcfe8c7ed6e8cb93183ea178196e991272

Aliases

arxiv: 0810.1709 · arxiv_version: 0810.1709v1 · doi: 10.48550/arxiv.0810.1709 · pith_short_12: GEX422YT5A7C · pith_short_16: GEX422YT5A7CJCVH · pith_short_8: GEX422YT

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/GEX422YT5A7CJCVHNOJ4WSGH3T \
  | 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: 312fcd6b13e83e248aa76b93cb48c7dcfe8c7ed6e8cb93183ea178196e991272

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7564d59534f74479ee52d43162d3310679bf84c92b123be146599d381409dc4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-09T18:17:43Z",
    "title_canon_sha256": "885dadec0c6a596f6d3d51da928602f33692312845886cb1b892460c23379bb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.1709",
    "kind": "arxiv",
    "version": 1
  }
}