Pith Number

pith:ZZDE3ANH

pith:2020:ZZDE3ANH7OJTMMICIPSELFF6DM

not attested not anchored not stored refs pending

Search for a Variation of the Fine Structure around the Supermassive Black Hole in Our Galactic Center

A. Hees, A. K. Gautam, A. M. Ghez, B. M. Roberts, H. Saida, J. R. Lu, M. Takahashi, R. O. Bentley, S. Jia, S. Nishiyama, S. Sakai, T. Do, T. Kara, Y. Takamori

arxiv:2002.11567 v1 · 2020-02-26 · astro-ph.GA · gr-qc · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZZDE3ANH7OJTMMICIPSELFF6DM}

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	2026-07-05T00:44:03.755973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce464d81a7fb9336310243e44594be1b08f0916277f88070a1be3f8db12b668e

Aliases

arxiv: 2002.11567 · arxiv_version: 2002.11567v1 · doi: 10.48550/arxiv.2002.11567 · pith_short_12: ZZDE3ANH7OJT · pith_short_16: ZZDE3ANH7OJTMMIC · pith_short_8: ZZDE3ANH

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/ZZDE3ANH7OJTMMICIPSELFF6DM \
  | 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: ce464d81a7fb9336310243e44594be1b08f0916277f88070a1be3f8db12b668e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdeca0bf8d57536fb0a9a3c09330fa4495d3e09764df12489c103125f9d9245d",
    "cross_cats_sorted": [
      "gr-qc",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-02-26T15:37:13Z",
    "title_canon_sha256": "7ae5d3b2077d6bed96d774785cf59a306eaa3d0df7af3ea1f354143d8b915599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.11567",
    "kind": "arxiv",
    "version": 1
  }
}