Pith Number

pith:T3Q3NORV

pith:2019:T3Q3NORVDOCVAMXCFLQCSXYRQJ

not attested not anchored not stored refs pending

Possible observational signatures of SMBHBs in their Fe K$\alpha$ line profiles

D. Borka, L. \v{C}. Popovi\'c, P. Jovanovi\'c, V. Borka Jovanovi\'c

arxiv:1911.01164 v1 · 2019-11-04 · astro-ph.GA · 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{T3Q3NORVDOCVAMXCFLQCSXYRQJ}

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	2026-07-05T00:36:41.733074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ee1b6ba351b855032e22ae0295f11825c0083da3c41cd28c526ccf6e7933a53

Aliases

arxiv: 1911.01164 · arxiv_version: 1911.01164v1 · doi: 10.48550/arxiv.1911.01164 · pith_short_12: T3Q3NORVDOCV · pith_short_16: T3Q3NORVDOCVAMXC · pith_short_8: T3Q3NORV

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/T3Q3NORVDOCVAMXCFLQCSXYRQJ \
  | 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: 9ee1b6ba351b855032e22ae0295f11825c0083da3c41cd28c526ccf6e7933a53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a24e2f7757c0235d4c773c95f9909ee887c50a63915e14b2231cadde50018324",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-04T12:41:22Z",
    "title_canon_sha256": "83ff506ece7f37be6ceea276e4fe8a1dc8df44653bb82bdfef4d9ebbdf2d53eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01164",
    "kind": "arxiv",
    "version": 1
  }
}