Pith Number

pith:HHZDGVUR

pith:2026:HHZDGVUR2QXJEGIQ7X2GD3KWN7

not attested not anchored not stored refs pending

Bridging X-ray Polarization with Timing & Spectroscopic Parameters of a galactic black hole: Swift J1727.8-1613

Arka Chatterjee, Broja G. Dutta, Hsiang-Kuang Chang, Indranil Chattopadhyay, Kaushik Chatterjee, Samar Safi-Harb, Sudip K. Garain, Sujoy K. Nath

arxiv:2605.15940 v1 · 2026-05-15 · 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{HHZDGVUR2QXJEGIQ7X2GD3KWN7}

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	2026-05-20T00:01:45.913477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39f2335691d42e921910fdf461ed566fc3a0c718ac039c605a9e91d4d21119fc

Aliases

arxiv: 2605.15940 · arxiv_version: 2605.15940v1 · doi: 10.48550/arxiv.2605.15940 · pith_short_12: HHZDGVUR2QXJ · pith_short_16: HHZDGVUR2QXJEGIQ · pith_short_8: HHZDGVUR

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/HHZDGVUR2QXJEGIQ7X2GD3KWN7 \
  | 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: 39f2335691d42e921910fdf461ed566fc3a0c718ac039c605a9e91d4d21119fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3ab75145eb1cce64a15d280c543de2b25432d0d79cb74f44834c446aadadf46",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-05-15T13:21:53Z",
    "title_canon_sha256": "c72b73f8d2353974527a0df1975b7e5ed87e97a76437f70b5f2eb18684ad9b1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15940",
    "kind": "arxiv",
    "version": 1
  }
}