Pith Number

pith:M3WBUQQB

pith:2017:M3WBUQQBXPXWA6RFDMTNJQUZRP

not attested not anchored not stored refs pending

The ultracompact nature of the black hole candidate X-ray binary 47 Tuc X9

Arash Bahramian, Christian Knigge, Craig O. Heinke, Gregory R. Sivakoff, James C.A. Miller-Jones, Javier A. Garcia, Jay Strader, Laura Chomiuk, Slavko Bogdanov, Thomas J. Maccarone, Timothy Kallman, Vlad Tudor

arxiv:1702.02167 v1 · 2017-02-07 · 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{M3WBUQQBXPXWA6RFDMTNJQUZRP}

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	2026-05-18T00:48:14.768250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66ec1a4201bbef607a251b26d4c2998be886f4572bef987a0ea91eadc16d0681

Aliases

arxiv: 1702.02167 · arxiv_version: 1702.02167v1 · doi: 10.48550/arxiv.1702.02167 · pith_short_12: M3WBUQQBXPXW · pith_short_16: M3WBUQQBXPXWA6RF · pith_short_8: M3WBUQQB

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/M3WBUQQBXPXWA6RFDMTNJQUZRP \
  | 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: 66ec1a4201bbef607a251b26d4c2998be886f4572bef987a0ea91eadc16d0681

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43424759fac5d6c3b0e8bf8aaa72f2f92dfcaefee1bab9f445e8f6f67901a644",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-02-07T19:09:23Z",
    "title_canon_sha256": "1c6b24400edbe36103dc43ec9ff3725f604c2caa6c0092b8ee8be2f234747822"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02167",
    "kind": "arxiv",
    "version": 1
  }
}