Pith Number

pith:4TN5QBLO

pith:2022:4TN5QBLOAXXJZX3T5R2PJQ4XBI

not attested not anchored not stored refs pending

Horizonless spacetimes as seen by present and next-generation Event Horizon Telescope arrays

Aaron Held, Astrid Eichhorn, Roman Gold

arxiv:2205.14883 v1 · 2022-05-30 · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TN5QBLOAXXJZX3T5R2PJQ4XBI}

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

Analog regular black holes and black hole mimickers for surface-gravity waves in fluids

Receipt and verification

First computed	2026-07-05T06:25:04.144112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4dbd8056e05ee9cdf73ec74f4c3970a14301775b967c3782ca4f9f6b5bc7f31

Aliases

arxiv: 2205.14883 · arxiv_version: 2205.14883v1 · doi: 10.48550/arxiv.2205.14883 · pith_short_12: 4TN5QBLOAXXJ · pith_short_16: 4TN5QBLOAXXJZX3T · pith_short_8: 4TN5QBLO

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/4TN5QBLOAXXJZX3T5R2PJQ4XBI \
  | 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: e4dbd8056e05ee9cdf73ec74f4c3970a14301775b967c3782ca4f9f6b5bc7f31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4e97119236f99b4f91dfad5285e94130abe93415c293bdd37c24b5ab1662f42",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-05-30T06:48:27Z",
    "title_canon_sha256": "e6650bcb4fa0fccdbb33421d3c7c550e83f2c5f0969821a4906f0fa6480e611e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.14883",
    "kind": "arxiv",
    "version": 1
  }
}