Pith Number

pith:B7UID4U3

pith:2024:B7UID4U3KLXHF2KN5TQOULX4NB

not attested not anchored not stored refs pending

Observation of topological frequency combs

Christopher J. Flower, Daniel G. Suarez-Forero, Gaurav Bahl, Gregory Moille, Kartik Srinivasan, Lida Xu, Mahmoud Jalali Mehrabad, Mohammad Hafezi, Ogulcan Orsel, Sunil Mittal, Yanne Chembo

arxiv:2401.15547 v2 · 2024-01-28 · 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{B7UID4U3KLXHF2KN5TQOULX4NB}

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	2026-07-05T08:35:19.204750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fe881f29b52ee72e94dece0ea2efc6864c829f1caaf20f72371d0478cd50de0

Aliases

arxiv: 2401.15547 · arxiv_version: 2401.15547v2 · doi: 10.48550/arxiv.2401.15547 · pith_short_12: B7UID4U3KLXH · pith_short_16: B7UID4U3KLXHF2KN · pith_short_8: B7UID4U3

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/B7UID4U3KLXHF2KN5TQOULX4NB \
  | 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: 0fe881f29b52ee72e94dece0ea2efc6864c829f1caaf20f72371d0478cd50de0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "736d465411e4ba6f46b9604411604d12e3e0f85cc9bfc2184f4694b2271bda80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-01-28T02:53:31Z",
    "title_canon_sha256": "eca8ad47808d4a2244f5606ffce04e3910fd9e54f32a897ae758a909521a17d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.15547",
    "kind": "arxiv",
    "version": 2
  }
}