Pith Number

pith:ZAZZB4RP

pith:2018:ZAZZB4RPTEHUS7XMU2IGOSHI5H

not attested not anchored not stored refs pending

Observing the Shadows of Stellar-Mass Black Holes with Binary Companions

Anne Lohfink, Dimitry Ayzenberg, Harrison Gott, Nicolas Yunes

arxiv:1808.05703 v1 · 2018-08-16 · gr-qc · 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{ZAZZB4RPTEHUS7XMU2IGOSHI5H}

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.

Cited by

1 paper in Pith

Rotating Black Holes with Primary Scalar Hair: Shadow Signatures in Beyond Horndeski Gravity

Receipt and verification

First computed	2026-05-17T23:53:29.338835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c83390f22f990f497eeca6906748e8e9d1edd760f9bbf088d8912886099728b6

Aliases

arxiv: 1808.05703 · arxiv_version: 1808.05703v1 · doi: 10.48550/arxiv.1808.05703 · pith_short_12: ZAZZB4RPTEHU · pith_short_16: ZAZZB4RPTEHUS7XM · pith_short_8: ZAZZB4RP

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/ZAZZB4RPTEHUS7XMU2IGOSHI5H \
  | 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: c83390f22f990f497eeca6906748e8e9d1edd760f9bbf088d8912886099728b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a283478ebcbe04aa8e9c1fb752d9fe4a3a5186e7e100a19ddfdcbcffb46a73d8",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-16T23:19:14Z",
    "title_canon_sha256": "cda2dfdb5e77f84ff7cb5c101f525418e37ba3dba09bf90a9e7cee2cf30f77f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05703",
    "kind": "arxiv",
    "version": 1
  }
}