Pith Number

pith:HBTTKTSN

pith:2011:HBTTKTSNBP2CXYBKEXPAVDNLH3

not attested not anchored not stored refs pending

Isotropic properties of the photonic band gap in quasicrystals with low-index contrast

A. Andreone, E. Di Gennaro, G. Abbate, Priya Rose

arxiv:1102.5406 v1 · 2011-02-26 · 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{HBTTKTSNBP2CXYBKEXPAVDNLH3}

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	2026-05-18T04:27:47.018757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3867354e4d0bf42be02a25de0a8dab3ef9eeb3f5ed3fb197ea0b7f72c3e02978

Aliases

arxiv: 1102.5406 · arxiv_version: 1102.5406v1 · doi: 10.48550/arxiv.1102.5406 · pith_short_12: HBTTKTSNBP2C · pith_short_16: HBTTKTSNBP2CXYBK · pith_short_8: HBTTKTSN

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/HBTTKTSNBP2CXYBKEXPAVDNLH3 \
  | 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: 3867354e4d0bf42be02a25de0a8dab3ef9eeb3f5ed3fb197ea0b7f72c3e02978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f172f365cdcdb293083dc7b233bd43537dd28e82bcf7af8f02d832db78af7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-02-26T13:09:02Z",
    "title_canon_sha256": "aa2c5f35c539d83763bb420bab615a1819b4817355955bc599a39e862ff54313"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5406",
    "kind": "arxiv",
    "version": 1
  }
}