Pith Number

pith:QWBOWS7J

pith:2013:QWBOWS7JEA32FJBA6KLQN2MWHO

not attested not anchored not stored refs pending

Absolute absorption and fluorescence measurements over a dynamic range of 10$^6$ with cavity-enhanced laser-induced fluorescence

Eckart Wrede, N. Hendrik Nahler, Oliver R. Willis, Scott E. Sanders

arxiv:1308.1989 v2 · 2013-08-08 · physics.chem-ph · 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{QWBOWS7JEA32FJBA6KLQN2MWHO}

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	2026-05-18T03:10:36.477439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8582eb4be92037a2a420f29706e9963ba310709c8b14e77b325a91fb4b9607e8

Aliases

arxiv: 1308.1989 · arxiv_version: 1308.1989v2 · doi: 10.48550/arxiv.1308.1989 · pith_short_12: QWBOWS7JEA32 · pith_short_16: QWBOWS7JEA32FJBA · pith_short_8: QWBOWS7J

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/QWBOWS7JEA32FJBA6KLQN2MWHO \
  | 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: 8582eb4be92037a2a420f29706e9963ba310709c8b14e77b325a91fb4b9607e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c851bae24b8c39c3d7c2cd313d23bd4216ceee585690dc5d2033c103554fc872",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-08-08T22:02:17Z",
    "title_canon_sha256": "be907f7ecbef80e2980b5985b7250cf0febed48424638795a0225ef4bf4df8ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1989",
    "kind": "arxiv",
    "version": 2
  }
}