Pith Number

pith:D236AFPI

pith:2018:D236AFPISXC6QNROZT6GWEXMLC

not attested not anchored not stored refs pending

The Chaotic Long-term X-ray Variability of 4U 1705--44

Alan P. Smale, Patricia T. Boyd, Rebecca A. Phillipson

arxiv:1809.06393 v1 · 2018-09-17 · astro-ph.HE · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D236AFPISXC6QNROZT6GWEXMLC}

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	2026-05-18T00:05:27.331755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eb7e015e895c5e8362eccfc6b12ec588aa2a728e103c1a340eadfa2ad9f39f6

Aliases

arxiv: 1809.06393 · arxiv_version: 1809.06393v1 · doi: 10.48550/arxiv.1809.06393 · pith_short_12: D236AFPISXC6 · pith_short_16: D236AFPISXC6QNRO · pith_short_8: D236AFPI

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/D236AFPISXC6QNROZT6GWEXMLC \
  | 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: 1eb7e015e895c5e8362eccfc6b12ec588aa2a728e103c1a340eadfa2ad9f39f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8efcf80041589b916682a61db41a6f96641672b94a6fd2e455fd5c35a9780914",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-17T18:19:48Z",
    "title_canon_sha256": "3b9aa5779c2b9197d2d3d06ca9291a3ca90fca549b10705f663102b4ecefa440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06393",
    "kind": "arxiv",
    "version": 1
  }
}