Pith Number

pith:H7YDWE53

pith:2010:H7YDWE53SA2IGDV7N65RCVC4N2

not attested not anchored not stored refs pending

Coherent Perfect Absorbers: Time-reversed Lasers

A. D. Stone, Hui Cao, Li Ge, Y. D. Chong

arxiv:1003.4968 v1 · 2010-03-25 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H7YDWE53SA2IGDV7N65RCVC4N2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:42:44.538453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ff03b13bb9034830ebf6fbb11545c6e84b5c90ecea93fc1e21096d95b7cd2a2

Aliases

arxiv: 1003.4968 · arxiv_version: 1003.4968v1 · doi: 10.48550/arxiv.1003.4968 · pith_short_12: H7YDWE53SA2I · pith_short_16: H7YDWE53SA2IGDV7 · pith_short_8: H7YDWE53

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/H7YDWE53SA2IGDV7N65RCVC4N2 \
  | 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: 3ff03b13bb9034830ebf6fbb11545c6e84b5c90ecea93fc1e21096d95b7cd2a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3839d9d75f4518bf55db19dd9091c59ef4ef143b89b45d7474501024bdd122f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-03-25T18:32:30Z",
    "title_canon_sha256": "5a5893d8949c98095099182a7e8b4c8be8df5909208a0e6e311e67192e3364bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4968",
    "kind": "arxiv",
    "version": 1
  }
}