Pith Number

pith:IBSCYQIY

pith:2014:IBSCYQIYKNKIEEQCIM5LKUX73Y

not attested not anchored not stored refs pending

Wavefront twisting by rotating black holes: orbital angular momentum generation and phase coherent detection

Huan Yang, Marc Casals

arxiv:1404.0722 v2 · 2014-04-02 · 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{IBSCYQIYKNKIEEQCIM5LKUX73Y}

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	2026-05-18T02:45:57.853864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40642c41185354821202433ab552ffde1f911bbc73c129d4fb5fcc953c4916cd

Aliases

arxiv: 1404.0722 · arxiv_version: 1404.0722v2 · doi: 10.48550/arxiv.1404.0722 · pith_short_12: IBSCYQIYKNKI · pith_short_16: IBSCYQIYKNKIEEQC · pith_short_8: IBSCYQIY

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/IBSCYQIYKNKIEEQCIM5LKUX73Y \
  | 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: 40642c41185354821202433ab552ffde1f911bbc73c129d4fb5fcc953c4916cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4e94da0affd0da8f3ed07ee20871bd45e59e2ee5ec822740639b1c7055242af",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-04-02T22:20:09Z",
    "title_canon_sha256": "1acdc928b86d213ec04c1b5d292f1a58e3796889c36bb0cdc501b450fcbc5a03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0722",
    "kind": "arxiv",
    "version": 2
  }
}