Pith Number

pith:5RBFJ7PF

pith:2011:5RBFJ7PFMVV2KKUW43WBBQGLDO

not attested not anchored not stored refs pending

Coherent perfect absorption in a homogeneously-broadened two-level medium

Stefano Longhi

arxiv:1111.3463 v1 · 2011-11-15 · 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{5RBFJ7PFMVV2KKUW43WBBQGLDO}

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	2026-05-18T00:56:53.993066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec4254fde5656ba52a96e6ec10c0cb1bb989edcb3323df958ccd966f13274529

Aliases

arxiv: 1111.3463 · arxiv_version: 1111.3463v1 · doi: 10.48550/arxiv.1111.3463 · pith_short_12: 5RBFJ7PFMVV2 · pith_short_16: 5RBFJ7PFMVV2KKUW · pith_short_8: 5RBFJ7PF

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/5RBFJ7PFMVV2KKUW43WBBQGLDO \
  | 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: ec4254fde5656ba52a96e6ec10c0cb1bb989edcb3323df958ccd966f13274529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac673c6b98afea7b31aac0b7edc7e90ff15a944b1ef5a8d218c21c4fbb28aaee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-11-15T09:28:23Z",
    "title_canon_sha256": "62b1af66aed7a4e8887f2eace60e4f4faf39f3418966c73ebb5934b0621f8d88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3463",
    "kind": "arxiv",
    "version": 1
  }
}