Pith Number

pith:UEHINXMN

pith:2026:UEHINXMNBNCTHNWSCPH6MHPVWF

not attested not anchored not stored refs pending

MEMS Fiber-Tip Photoacoustic Spectrometer for In Situ Microscale Trace Gas Sensing

Mengqi Wu, Ping Lu, Xingjie Liu

arxiv:2607.03021 v1 · 2026-07-03 · 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{UEHINXMNBNCTHNWSCPH6MHPVWF}

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	2026-07-07T01:16:39.982145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a10e86dd8d0b4533b6d213cfe61df5b145246f15bdc06d42812ed4a5ec024ee1

Aliases

arxiv: 2607.03021 · arxiv_version: 2607.03021v1 · doi: 10.48550/arxiv.2607.03021 · pith_short_12: UEHINXMNBNCT · pith_short_16: UEHINXMNBNCTHNWS · pith_short_8: UEHINXMN

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/UEHINXMNBNCTHNWSCPH6MHPVWF \
  | 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: a10e86dd8d0b4533b6d213cfe61df5b145246f15bdc06d42812ed4a5ec024ee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2754256f6d01f307a2a83ac6303b423927722b0e9fd00fe69358825b46217728",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-07-03T07:10:01Z",
    "title_canon_sha256": "8ebf60bc5be137f75f1804c863d97c3dca0f13de5f200775056edb060826f4d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03021",
    "kind": "arxiv",
    "version": 1
  }
}