Pith Number

pith:2M6RQGLH

pith:2014:2M6RQGLHMKTW7J5M4FMUBQNKEE

not attested not anchored not stored refs pending

Evidence from the Very Long Baseline Array that J1502SE/SW are Double Hotspots, not a Supermassive Binary Black Hole

H. Fu, J.M. Wrobel, R.C. Walker

arxiv:1407.7301 v1 · 2014-07-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2M6RQGLHMKTW7J5M4FMUBQNKEE}

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	2026-05-18T01:42:29.490027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d33d18196762a76fa7ace15940c1aa213b85ac994360ad1ddce404119dabc3b0

Aliases

arxiv: 1407.7301 · arxiv_version: 1407.7301v1 · doi: 10.48550/arxiv.1407.7301 · pith_short_12: 2M6RQGLHMKTW · pith_short_16: 2M6RQGLHMKTW7J5M · pith_short_8: 2M6RQGLH

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/2M6RQGLHMKTW7J5M4FMUBQNKEE \
  | 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: d33d18196762a76fa7ace15940c1aa213b85ac994360ad1ddce404119dabc3b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2bb8e20cd307312fa5d561314e6b1607bda63e9254caa53980cda7572191091",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-28T01:24:55Z",
    "title_canon_sha256": "dd641cce921f5fa57fc04a09761da312a0766dedc862abee1383721b068a449f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7301",
    "kind": "arxiv",
    "version": 1
  }
}