Pith Number

pith:IPGGGQCR

pith:2016:IPGGGQCRAKYBPYE67KLIWQ3VEP

not attested not anchored not stored refs pending

Universal metamaterial absorbe

Antoine Moreau, Emmanuel Centeno, Fatima Omei, Rafik Smaali, Thierry Taliercio

arxiv:1603.08684 v1 · 2016-03-29 · 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{IPGGGQCRAKYBPYE67KLIWQ3VEP}

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	2026-05-18T01:18:05.635305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43cc63405102b017e09efa968b437523ccd2e865c47c224ce9142ff33059a4fe

Aliases

arxiv: 1603.08684 · arxiv_version: 1603.08684v1 · doi: 10.48550/arxiv.1603.08684 · pith_short_12: IPGGGQCRAKYB · pith_short_16: IPGGGQCRAKYBPYE6 · pith_short_8: IPGGGQCR

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/IPGGGQCRAKYBPYE67KLIWQ3VEP \
  | 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: 43cc63405102b017e09efa968b437523ccd2e865c47c224ce9142ff33059a4fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915bf748782b9632b34dd4ee94a0f8a384b8f03ee714b147e823d37e56d4c106",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-03-29T09:10:08Z",
    "title_canon_sha256": "08ecafc4bcf4fe583c9d73c297f186587dc6d341155b5a348bae6c01bae4f8cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08684",
    "kind": "arxiv",
    "version": 1
  }
}