Pith Number

pith:VYDHOYMX

pith:2017:VYDHOYMXZGTU3K67X36OMONUVI

not attested not anchored not stored refs pending

From parabolic-trough to metasurface-concentrator

Abdoulaye Ndao, Boubacar Kant\'e, LiYi Hsu, Matthieu Dupr\'e

arxiv:1701.03130 v1 · 2017-01-11 · 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{VYDHOYMXZGTU3K67X36OMONUVI}

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	2026-05-18T00:52:59.216999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae06776197c9a74dabdfbefce639b4aa2a9b121b7abd3930e649a3ff2e9e4936

Aliases

arxiv: 1701.03130 · arxiv_version: 1701.03130v1 · doi: 10.48550/arxiv.1701.03130 · pith_short_12: VYDHOYMXZGTU · pith_short_16: VYDHOYMXZGTU3K67 · pith_short_8: VYDHOYMX

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/VYDHOYMXZGTU3K67X36OMONUVI \
  | 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: ae06776197c9a74dabdfbefce639b4aa2a9b121b7abd3930e649a3ff2e9e4936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d369fc161daa2f2e2e28b9841c784dac04ccbde8a023a4d68470feaa6d916588",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-01-11T19:27:27Z",
    "title_canon_sha256": "ef67bb75d27c2ed3da9ec1b27723a88fe26277eff8d129a139954188bd08ad6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03130",
    "kind": "arxiv",
    "version": 1
  }
}