Pith Number

pith:BBUBYX2E

pith:2019:BBUBYX2EPDBRKORKD2SN6QOIZA

not attested not anchored not stored refs pending

Creating locally interacting Hamiltonians in the synthetic frequency dimension for photons

Avik Dutt, Luqi Yuan, Mingpu Qin, Shanhui Fan, Xianfeng Chen

arxiv:1909.12466 v1 · 2019-09-27 · 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{BBUBYX2EPDBRKORKD2SN6QOIZA}

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	2026-07-05T01:31:22.050226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08681c5f4478c3153a2a1ea4df41c8c81d1241223a88d59d89f6feb0ed59ce43

Aliases

arxiv: 1909.12466 · arxiv_version: 1909.12466v1 · doi: 10.48550/arxiv.1909.12466 · pith_short_12: BBUBYX2EPDBR · pith_short_16: BBUBYX2EPDBRKORK · pith_short_8: BBUBYX2E

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/BBUBYX2EPDBRKORKD2SN6QOIZA \
  | 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: 08681c5f4478c3153a2a1ea4df41c8c81d1241223a88d59d89f6feb0ed59ce43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d05dcb44dbc228f8d2b57c77e284add83fb4bc31c80cddbbb8f342e39302b139",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-09-27T02:09:46Z",
    "title_canon_sha256": "59c9bb9421dde6d21255ed5f46dbd4da08ae3ea351e589c81be4bf070b12083f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.12466",
    "kind": "arxiv",
    "version": 1
  }
}