Pith Number

pith:5JCP3P6T

pith:2018:5JCP3P6TPYJMUDW6IAYHS3EFDI

not attested not anchored not stored refs pending

Observation of topological edge modes in a quasi-periodic acoustic waveguide

Camelia Prodan, David J. Apigo, Emil Prodan, Kyle F. Dobiszewski, Wenting Cheng

arxiv:1809.04722 v3 · 2018-09-13 · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JCP3P6TPYJMUDW6IAYHS3EFDI}

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	2026-05-17T23:51:33.311179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea44fdbfd37e12ca0ede4030796c851a3f818d463fe13cc2794c48b5c58ee615

Aliases

arxiv: 1809.04722 · arxiv_version: 1809.04722v3 · doi: 10.48550/arxiv.1809.04722 · pith_short_12: 5JCP3P6TPYJM · pith_short_16: 5JCP3P6TPYJMUDW6 · pith_short_8: 5JCP3P6T

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/5JCP3P6TPYJMUDW6IAYHS3EFDI \
  | 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: ea44fdbfd37e12ca0ede4030796c851a3f818d463fe13cc2794c48b5c58ee615

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b20b00aac677926b50be3f6cbbc63ea18a3c7abf3d9a7cc64611dfebfa79eb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-09-13T00:43:21Z",
    "title_canon_sha256": "3aafd3d076ee91c2c6db3636abb49c48e09ab37a204ae483ebecb61215f38ef3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04722",
    "kind": "arxiv",
    "version": 3
  }
}