Pith Number

pith:5LQD2NFI

pith:2016:5LQD2NFI7266GOWUL3JPQFFYGW

not attested not anchored not stored refs pending

Amplitude-Equalized Microwave C-Section

Shulabh Gupta

arxiv:1604.01652 v1 · 2016-04-06 · 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{5LQD2NFI7266GOWUL3JPQFFYGW}

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	2026-05-18T01:17:35.888485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eae03d34a8febde33ad45ed2f814b83583dd4a3f0f4ab5cabab512ad5f6b6917

Aliases

arxiv: 1604.01652 · arxiv_version: 1604.01652v1 · doi: 10.48550/arxiv.1604.01652 · pith_short_12: 5LQD2NFI7266 · pith_short_16: 5LQD2NFI7266GOWU · pith_short_8: 5LQD2NFI

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/5LQD2NFI7266GOWUL3JPQFFYGW \
  | 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: eae03d34a8febde33ad45ed2f814b83583dd4a3f0f4ab5cabab512ad5f6b6917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8231394fe9c81b4efce3c0c53c6c96ff8f515311c2fc5b2b427eed29129e8357",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-04-06T15:02:18Z",
    "title_canon_sha256": "0684e71c30ab4f7c146ccb6fd5fe8c58724b4add5bc71eb8e29175ff7d70224e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01652",
    "kind": "arxiv",
    "version": 1
  }
}