Pith Number

pith:IFRWGK3Q

pith:2017:IFRWGK3QAOJWTNCYJTJZCCBTMG

not attested not anchored not stored refs pending

Chandra studies of the globular cluster 47 Tucanae: A deeper X-ray source catalogue, five new X-ray counterparts to millisecond radio pulsars, and new constraints to r-mode instability window

Alessandro Ridolfi, Andrey I. Chugunov, Craig O. Heinke, Paulo C. C. Freire, Slavko Bogdanov, Souradeep Bhattacharya

arxiv:1709.01807 v1 · 2017-09-06 · astro-ph.HE · 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{IFRWGK3QAOJWTNCYJTJZCCBTMG}

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	2026-05-18T00:33:48.233825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4163632b70039369b4584cd39108336192c7a4fae77761ac5abf4bcb16dee1cb

Aliases

arxiv: 1709.01807 · arxiv_version: 1709.01807v1 · doi: 10.48550/arxiv.1709.01807 · pith_short_12: IFRWGK3QAOJW · pith_short_16: IFRWGK3QAOJWTNCY · pith_short_8: IFRWGK3Q

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/IFRWGK3QAOJWTNCYJTJZCCBTMG \
  | 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: 4163632b70039369b4584cd39108336192c7a4fae77761ac5abf4bcb16dee1cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f592230d63a3bc3ddba4d59a74d97a31e6d8c0d333131d995cd2ed867af39012",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-09-06T12:49:22Z",
    "title_canon_sha256": "1c8b1970a0f92c95f69b40369476f84778b2a4abf8a4897d08b5a467a150c763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01807",
    "kind": "arxiv",
    "version": 1
  }
}