Pith Number

pith:KRDDKYXH

pith:2019:KRDDKYXHOKR73HIYYYDBJHGMUF

not attested not anchored not stored refs pending

Emergence of Pseudo-Phononic Gaps in Periodically Architected Pendulums

H. Al Ba'ba'a, J. Callanan, M. Nouh

arxiv:1904.01396 v2 · 2019-02-06 · physics.app-ph · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KRDDKYXHOKR73HIYYYDBJHGMUF}

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	2026-05-17T23:43:59.967153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54463562e772a3fd9d18c606149ccca1568a3bae845242e4416a85256b34a4e9

Aliases

arxiv: 1904.01396 · arxiv_version: 1904.01396v2 · doi: 10.48550/arxiv.1904.01396 · pith_short_12: KRDDKYXHOKR7 · pith_short_16: KRDDKYXHOKR73HIY · pith_short_8: KRDDKYXH

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/KRDDKYXHOKR73HIYYYDBJHGMUF \
  | 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: 54463562e772a3fd9d18c606149ccca1568a3bae845242e4416a85256b34a4e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e40d9ac3af7b51a12ea66bbce98fca6b788dfa37bff68a88c79c7293d1ffdfa",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-02-06T21:43:07Z",
    "title_canon_sha256": "164192c8135ef90324bd24fd96621ae907c388526336be0cd76880d6b563df32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01396",
    "kind": "arxiv",
    "version": 2
  }
}