Pith Number

pith:NI5U5QWW

pith:2023:NI5U5QWWQIHDA3356ZXE4I7U7L

not attested not anchored not stored refs pending

Comment on "Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A*"

Naoki Tsukamoto

arxiv:2307.11303 v3 · 2023-07-21 · gr-qc · astro-ph.HE · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NI5U5QWWQIHDA3356ZXE4I7U7L}

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

On the Cuspy Structure of Rotating Wormhole Shadows

Receipt and verification

First computed	2026-07-05T07:02:03.572569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a3b4ec2d6820e306f7df66e4e23f4fae8ee4d488cf1e4e2b0ae6a741dc318c2

Aliases

arxiv: 2307.11303 · arxiv_version: 2307.11303v3 · doi: 10.48550/arxiv.2307.11303 · pith_short_12: NI5U5QWWQIHD · pith_short_16: NI5U5QWWQIHDA335 · pith_short_8: NI5U5QWW

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/NI5U5QWWQIHDA3356ZXE4I7U7L \
  | 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: 6a3b4ec2d6820e306f7df66e4e23f4fae8ee4d488cf1e4e2b0ae6a741dc318c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cebcfc0d12640f22e2afe3a819d358f25cc8b6c37e10b1d57d305edc764fa17b",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-07-21T02:22:50Z",
    "title_canon_sha256": "e81d162e3cf752bd5909505c0af50365fea8ca531c8d8d6579f705a4c4629e6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.11303",
    "kind": "arxiv",
    "version": 3
  }
}