Pith Number

pith:NVBCNHZO

pith:2009:NVBCNHZO2T2H63RYXU6EYWTMP2

not attested not anchored not stored refs pending

OTELO Survey: Deep BVRI broadband photometry of the Groth strip. II Properties of X-ray Emitters

A. Bongiovanni, A. M. P\'erez Garc\'ia, E. Alfaro, H. Casta\~neda, J. A. Acosta-Pulido, J. Cepa, J. Gallego, J. I. Gonz\'alez-Serrano, J. J. Gonz\'alez, M. A. Lara-L\'opez, M. Fern\'andez Lorenzo, M. Povi\'c, M. S\'anchez-Portal

arxiv:0901.3483 v2 · 2009-01-22 · 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{NVBCNHZO2T2H63RYXU6EYWTMP2}

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	2026-07-04T17:14:17.013637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d42269f2ed4f47f6e38bd3c4c5a6c7e99e01409c29d80b29d63c75c930cd68e

Aliases

arxiv: 0901.3483 · arxiv_version: 0901.3483v2 · doi: 10.48550/arxiv.0901.3483 · pith_short_12: NVBCNHZO2T2H · pith_short_16: NVBCNHZO2T2H63RY · pith_short_8: NVBCNHZO

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/NVBCNHZO2T2H63RYXU6EYWTMP2 \
  | 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: 6d42269f2ed4f47f6e38bd3c4c5a6c7e99e01409c29d80b29d63c75c930cd68e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8461f445329c8d61334c9358748fdc38e64129e95503f7f67374bb2b0a92001c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-22T14:21:41Z",
    "title_canon_sha256": "0df61ebd7516f4424296d743e79c8611be7abca6be494e7070c29d317dbf1ac6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3483",
    "kind": "arxiv",
    "version": 2
  }
}