Pith Number

pith:VFUXAMKG

pith:2008:VFUXAMKGG7LKZ4CP4OHAOCXJOD

not attested not anchored not stored refs pending

Unveiling the nature of INTEGRAL objects through optical spectroscopy. VII. Identification of 20 Galactic and extragalactic hard X-ray sources

A. Bazzano, A.J. Bird, A.J. Dean, A. Malizia, D. Minniti, E. Jimenez-Bailon, E. Mason, E. Palazzi, F. Schiavone, G. Galaz, J.B. Stephen, L. Bassani, L. Morelli, N. Gehrels, N. Masetti, P. Parisi, P. Ubertini, R. Landi, V.A. McBride, V. Chavushyan

arxiv:0811.4085 v2 · 2008-11-25 · 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{VFUXAMKGG7LKZ4CP4OHAOCXJOD}

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	2026-07-04T17:13:45.087169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a96970314637d6acf04fe38e070ae970f0de4c9ffef1c8232617f2bee572a883

Aliases

arxiv: 0811.4085 · arxiv_version: 0811.4085v2 · doi: 10.48550/arxiv.0811.4085 · pith_short_12: VFUXAMKGG7LK · pith_short_16: VFUXAMKGG7LKZ4CP · pith_short_8: VFUXAMKG

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/VFUXAMKGG7LKZ4CP4OHAOCXJOD \
  | 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: a96970314637d6acf04fe38e070ae970f0de4c9ffef1c8232617f2bee572a883

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ed5eaeb7113d81c4e45da2f0ca212e6481917c44ec8fc38b13b92571ca65dea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-25T13:33:25Z",
    "title_canon_sha256": "c4f12583780c86216204fe081a0009cd10ae8f7329a5c0435ed6cce0b8bbe040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.4085",
    "kind": "arxiv",
    "version": 2
  }
}