Pith Number

pith:X7OAP4TC

pith:2005:X7OAP4TCKZR4WLKK5JZDXFHTXU

not attested not anchored not stored refs pending

Unveiling the nature of INTEGRAL objects through optical spectroscopy. II. The nature of four unidentified sources

A. Bazzano, A.J. Bird, A.J. Dean, A. Malizia, E. Maiorano, E. Mason, E. Palazzi, J.B. Stephen, L. Bassani, N. Masetti, P. Ubertini, R. Walter

arxiv:astro-ph/0511182 v1 · 2005-11-07 · 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{X7OAP4TCKZR4WLKK5JZDXFHTXU}

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	2026-07-04T16:53:02.175221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfdc07f2625663cb2d4aea723b94f3bd09ad3cd17ebe0d8d2736e36550c5a01f

Aliases

arxiv: astro-ph/0511182 · arxiv_version: astro-ph/0511182v1 · doi: 10.48550/arxiv.astro-ph/0511182 · pith_short_12: X7OAP4TCKZR4 · pith_short_16: X7OAP4TCKZR4WLKK · pith_short_8: X7OAP4TC

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/X7OAP4TCKZR4WLKK5JZDXFHTXU \
  | 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: bfdc07f2625663cb2d4aea723b94f3bd09ad3cd17ebe0d8d2736e36550c5a01f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37271ff6f4765ccfb5667a7f851cacdd6ca9c40f34b38303812112ed6e3f61f3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-11-07T15:21:12Z",
    "title_canon_sha256": "1c7bf952ea2989a05ba554080e7b7324362bf075236dea62af16b5a51ed5ceaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0511182",
    "kind": "arxiv",
    "version": 1
  }
}