Pith Number

pith:B7KHOIV3

pith:2012:B7KHOIV3QC5LM3HMKMAMFLE5F5

not attested not anchored not stored refs pending

Diffraction of transmission light through triangular apertures in array of retro-reflective micro-prisms

Han Chen, Yizhou Tan

arxiv:1203.3697 v1 · 2012-03-16 · 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{B7KHOIV3QC5LM3HMKMAMFLE5F5}

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	2026-05-18T01:58:06.669276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fd47722bb80bab66cec5300c2ac9d2f772cac22f9e9abf83d6a4423130678ac

Aliases

arxiv: 1203.3697 · arxiv_version: 1203.3697v1 · doi: 10.48550/arxiv.1203.3697 · pith_short_12: B7KHOIV3QC5L · pith_short_16: B7KHOIV3QC5LM3HM · pith_short_8: B7KHOIV3

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/B7KHOIV3QC5LM3HMKMAMFLE5F5 \
  | 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: 0fd47722bb80bab66cec5300c2ac9d2f772cac22f9e9abf83d6a4423130678ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1baaf7344f3d682c67e4a374443fad2f58d2fcf8d0183d38ea7edc52c575532f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-03-16T13:18:52Z",
    "title_canon_sha256": "487dfcf57f7cdc5b17482088778cf3e84aae398accc960a21bb3ece4051f1025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3697",
    "kind": "arxiv",
    "version": 1
  }
}