Pith Number

pith:2WC2KTDU

pith:2018:2WC2KTDUOCGKQ4MCYQHYIN4BUN

not attested not anchored not stored refs pending

Exploring the Spectral Variability of the Ultra-luminous X-ray source M81 X-6 with Suzaku and XMM-Newton

Ranjeev Misra (IUCAA), V. Jithesh

arxiv:1810.07241 v1 · 2018-10-16 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WC2KTDUOCGKQ4MCYQHYIN4BUN}

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	2026-05-17T23:59:22.195235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d585a54c74708ca87182c40f843781a34b1e6955bd8dff5194a5e20ce2439e53

Aliases

arxiv: 1810.07241 · arxiv_version: 1810.07241v1 · doi: 10.48550/arxiv.1810.07241 · pith_short_12: 2WC2KTDUOCGK · pith_short_16: 2WC2KTDUOCGKQ4MC · pith_short_8: 2WC2KTDU

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/2WC2KTDUOCGKQ4MCYQHYIN4BUN \
  | 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: d585a54c74708ca87182c40f843781a34b1e6955bd8dff5194a5e20ce2439e53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30291ef92054dc70dac48a624409c1f7e26723ee17264e88d5c563297a6ac49b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-10-16T19:18:03Z",
    "title_canon_sha256": "957ac3be1d327e41a172bb026126fa91122b0f43d6a7aa85457091a0f0dbf74e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07241",
    "kind": "arxiv",
    "version": 1
  }
}