Pith Number

pith:LIBVY6JQ

pith:2012:LIBVY6JQXS4IB2GEOKU6UBPTYE

not attested not anchored not stored refs pending

The aperiodic variability of the Ultraluminous X-ray source in NGC 5408

(2) INAF-OAB, A. Wolter (2) ((1) INAF-OAB, Brera), M. D. Caballero-Garcia (1), Merate, S. E. Motta (1), T. M. Belloni (1)

arxiv:1210.3965 v2 · 2012-10-15 · astro-ph.HE · 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{LIBVY6JQXS4IB2GEOKU6UBPTYE}

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	2026-05-18T01:53:55.358376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a035c7930bcb880e8c472a9ea05f3c1323c5750a7ebb1f77bbf1fb1e470b631

Aliases

arxiv: 1210.3965 · arxiv_version: 1210.3965v2 · doi: 10.48550/arxiv.1210.3965 · pith_short_12: LIBVY6JQXS4I · pith_short_16: LIBVY6JQXS4IB2GE · pith_short_8: LIBVY6JQ

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/LIBVY6JQXS4IB2GEOKU6UBPTYE \
  | 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: 5a035c7930bcb880e8c472a9ea05f3c1323c5750a7ebb1f77bbf1fb1e470b631

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14946da378cb38489c867d344654edc19260e29d1c05973d67d4d096a3c738db",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-10-15T10:11:44Z",
    "title_canon_sha256": "58da4c45f87d0ee99f98b818c7f7db81685d4bcdba4417828a8ed0bb84c9fbf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3965",
    "kind": "arxiv",
    "version": 2
  }
}