Pith Number

pith:5447V3SZ

pith:2019:5447V3SZ5NANUQF7M2CJ5SKVR4

not attested not anchored not stored refs pending

Squeezed Light Induced Two-photon Absorption Fluorescence of Fluorescein Biomarkers

Anton Classen, Charles Altuzarra, Fu Li, Girish S. Agarwal, Tian Li

arxiv:1911.10239 v3 · 2019-11-22 · 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{5447V3SZ5NANUQF7M2CJ5SKVR4}

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	2026-07-05T01:13:07.353051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef39faee59eb40da40bf66849ec9558f2c6f693142bd11929b4813b1534273bd

Aliases

arxiv: 1911.10239 · arxiv_version: 1911.10239v3 · doi: 10.48550/arxiv.1911.10239 · pith_short_12: 5447V3SZ5NAN · pith_short_16: 5447V3SZ5NANUQF7 · pith_short_8: 5447V3SZ

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/5447V3SZ5NANUQF7M2CJ5SKVR4 \
  | 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: ef39faee59eb40da40bf66849ec9558f2c6f693142bd11929b4813b1534273bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d36dde489f7afda2d0a93d6e1969ca7f68b4d13f1968acb04d8f3d724b509ca7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-11-22T20:25:11Z",
    "title_canon_sha256": "c31fcf592183190f63fb8d9fe4f1f36daf9e18063b5cc206f74befc2fc7de43b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.10239",
    "kind": "arxiv",
    "version": 3
  }
}