Pith Number

pith:Z4HDII7P

pith:2010:Z4HDII7PGPEG2XBVTQTGFCFMZD

not attested not anchored not stored refs pending

Delay-bandwidth and delay-loss limitations for cloaking of large objects

Baile Zhang, Hila Hashemi, J. D. Joannopoulos, Steven G. Johnson

arxiv:1003.5934 v3 · 2010-03-30 · physics.optics · physics.pop-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{Z4HDII7PGPEG2XBVTQTGFCFMZD}

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	2026-05-18T02:24:25.904333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf0e3423ef33c86d5c359c266288acc8edf9e8fb60bc4907162fc505b8711971

Aliases

arxiv: 1003.5934 · arxiv_version: 1003.5934v3 · doi: 10.48550/arxiv.1003.5934 · pith_short_12: Z4HDII7PGPEG · pith_short_16: Z4HDII7PGPEG2XBV · pith_short_8: Z4HDII7P

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/Z4HDII7PGPEG2XBVTQTGFCFMZD \
  | 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: cf0e3423ef33c86d5c359c266288acc8edf9e8fb60bc4907162fc505b8711971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c375a9e84d0a47446c8abc11c19d42ed7c121751d6904824051ee027345b9ecd",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-03-30T21:46:06Z",
    "title_canon_sha256": "99b263353b0e4a22f216642e3552c4e916fcd062957bc5e4fb234307465cf23c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.5934",
    "kind": "arxiv",
    "version": 3
  }
}