Pith Number

pith:UUBNEVSG

pith:2012:UUBNEVSGO5WTNFOV6JSFX7TUV6

not attested not anchored not stored refs pending

Analytical solution for wave propagation through a graded index interface between a right-handed and a left-handed material

Mariana Dalarsson, Philippe Tassin

arxiv:1203.2311 v1 · 2012-03-11 · 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{UUBNEVSGO5WTNFOV6JSFX7TUV6}

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	2026-05-18T03:59:37.793197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a502d25646776d3695d5f2645bfe74af9484f97f0e912dbd0d5dbea5098d427c

Aliases

arxiv: 1203.2311 · arxiv_version: 1203.2311v1 · doi: 10.48550/arxiv.1203.2311 · pith_short_12: UUBNEVSGO5WT · pith_short_16: UUBNEVSGO5WTNFOV · pith_short_8: UUBNEVSG

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/UUBNEVSGO5WTNFOV6JSFX7TUV6 \
  | 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: a502d25646776d3695d5f2645bfe74af9484f97f0e912dbd0d5dbea5098d427c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d79f2300f507fb9e5c31bee62c7002fcab1b383a0a5ab2bb534a764e510d89da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-03-11T04:29:24Z",
    "title_canon_sha256": "33f872076c9160bc97cdfb1ab4e8ef02bcfe2664823fb19265d5e66271ef59ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2311",
    "kind": "arxiv",
    "version": 1
  }
}