Pith Number

pith:6X5OLY6Z

pith:2016:6X5OLY6ZXNHO5NYQRHVPJSDJRV

not attested not anchored not stored refs pending

One laser pulse generates two photoacoustic signals

Fei Gao, Linyi Bai, Rahul Kishor, Ran Ding, Ruochong Zhang, Siyu Liu, Xiaohua Feng, Yanli Zhao, Yuanjin Zheng

arxiv:1602.07894 v2 · 2016-02-25 · 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{6X5OLY6ZXNHO5NYQRHVPJSDJRV}

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	2026-05-18T01:14:35.487851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5fae5e3d9bb4eeeb71089eaf4c8698d79e5d0f9588082358d4438b377cc59e3

Aliases

arxiv: 1602.07894 · arxiv_version: 1602.07894v2 · doi: 10.48550/arxiv.1602.07894 · pith_short_12: 6X5OLY6ZXNHO · pith_short_16: 6X5OLY6ZXNHO5NYQ · pith_short_8: 6X5OLY6Z

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/6X5OLY6ZXNHO5NYQRHVPJSDJRV \
  | 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: f5fae5e3d9bb4eeeb71089eaf4c8698d79e5d0f9588082358d4438b377cc59e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea1d69ecfd0bc3f52adb182e1da1a858a1ba26a27ddeb1f5eac04ff7ff08ed19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-02-25T11:59:39Z",
    "title_canon_sha256": "bf5d3e277522dcaaddb4dc619bbd1d9347955bc228f56cbf678faedf66573b49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07894",
    "kind": "arxiv",
    "version": 2
  }
}