Pith Number

pith:CE7PWFR7

pith:2021:CE7PWFR7KEJWGOGND34C6FKMSK

not attested not anchored not stored refs pending

Ultra-Short-Period Massive Black Hole Binary Candidates in LSST as LISA "Verification Binaries"

Chengcheng Xin, Zoltan Haiman

arxiv:2105.00005 v1 · 2021-04-30 · 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{CE7PWFR7KEJWGOGND34C6FKMSK}

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	2026-07-05T02:57:20.066099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

113efb163f51136338cd1ef82f154c9296576f2743964401e76e9d282bf9801c

Aliases

arxiv: 2105.00005 · arxiv_version: 2105.00005v1 · doi: 10.48550/arxiv.2105.00005 · pith_short_12: CE7PWFR7KEJW · pith_short_16: CE7PWFR7KEJWGOGN · pith_short_8: CE7PWFR7

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/CE7PWFR7KEJWGOGND34C6FKMSK \
  | 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: 113efb163f51136338cd1ef82f154c9296576f2743964401e76e9d282bf9801c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1986eac24482ce0697699fecb50a2acd4ddf89526d4261d4190ae393813f5ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-04-30T18:00:01Z",
    "title_canon_sha256": "e9d87437171907d918ce5003d8803200a9400f5941937d202797fc357915ac86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00005",
    "kind": "arxiv",
    "version": 1
  }
}