Pith Number

pith:X7YQHL66

pith:2018:X7YQHL66JKXMLPKTRP66BKC53R

not attested not anchored not stored refs pending

Non-linear optical spectroscopy and two-photon excited fluorescence spectroscopy reveal the excited states of fluorophores embedded in beetle's elytra

Bjorn Maes, Branko Kolaric, Charlotte Verstraete, Dimitrije Mara, Ewan D. Finlayson, Olivier Deparis, Pete Vukusic, Rik Van Deun, S\'ebastien R. Mouchet, Stijn Van Cleuvenbergen, Thierry Verbiest

arxiv:1801.07639 v1 · 2018-01-23 · physics.optics · physics.bio-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{X7YQHL66JKXMLPKTRP66BKC53R}

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	2026-05-17T23:57:19.562519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bff103afde4aaec5bd538bfde0a85ddc7ff10eb047291b7d2720b6a7c01a5d32

Aliases

arxiv: 1801.07639 · arxiv_version: 1801.07639v1 · doi: 10.48550/arxiv.1801.07639 · pith_short_12: X7YQHL66JKXM · pith_short_16: X7YQHL66JKXMLPKT · pith_short_8: X7YQHL66

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/X7YQHL66JKXMLPKTRP66BKC53R \
  | 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: bff103afde4aaec5bd538bfde0a85ddc7ff10eb047291b7d2720b6a7c01a5d32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29eee35c4bb9b204a30803706593151c2a634fa8be74531b55174ce8b8a46726",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-01-23T16:24:12Z",
    "title_canon_sha256": "403e18f694db4609849b4314b11973fb9772d55d9ddcc75c937c42d6f7abcd29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07639",
    "kind": "arxiv",
    "version": 1
  }
}