Pith Number

pith:ITAVXGTG

pith:2010:ITAVXGTGGNB6VGCTT37YBWLZ2H

not attested not anchored not stored refs pending

A simple design of an artificial electromagnetic black hole

Huanyang Chen, JunFeng Jin, Wanli Lu, Zhifang Lin

arxiv:1003.5727 v1 · 2010-03-30 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITAVXGTGGNB6VGCTT37YBWLZ2H}

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	2026-05-18T02:08:15.871361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44c15b9a663343ea98539eff80d979d1f551e671d49499f169449000d0d134a7

Aliases

arxiv: 1003.5727 · arxiv_version: 1003.5727v1 · doi: 10.48550/arxiv.1003.5727 · pith_short_12: ITAVXGTGGNB6 · pith_short_16: ITAVXGTGGNB6VGCT · pith_short_8: ITAVXGTG

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/ITAVXGTGGNB6VGCTT37YBWLZ2H \
  | 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: 44c15b9a663343ea98539eff80d979d1f551e671d49499f169449000d0d134a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c08ff2a386c3faf51fcd2801d2edbefa533e2162a8d1d6fa637b92d4ac7f4ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-03-30T04:16:06Z",
    "title_canon_sha256": "f4c9f6d8050e2c937c5fe7871209776ced91b251c1f5baa2cf4512b442b81aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.5727",
    "kind": "arxiv",
    "version": 1
  }
}