Pith Number

pith:FMM3FA3J

pith:2022:FMM3FA3J4JLXDTBEXVOIUQMUWT

not attested not anchored not stored refs pending

Deep learning-based single-shot computational spectrometer using multilayer thin films

Cheolsun Kim, Dongju Park, Heung-No Lee, Jioh Lee

arxiv:2204.02669 v1 · 2022-04-06 · physics.optics · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FMM3FA3J4JLXDTBEXVOIUQMUWT}

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	2026-07-05T11:30:59.653957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b19b28369e25771cc24bd5c8a4194b4c17af402ba5c1ac5f14bb4be8858b94d

Aliases

arxiv: 2204.02669 · arxiv_version: 2204.02669v1 · doi: 10.48550/arxiv.2204.02669 · pith_short_12: FMM3FA3J4JLX · pith_short_16: FMM3FA3J4JLXDTBE · pith_short_8: FMM3FA3J

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/FMM3FA3J4JLXDTBEXVOIUQMUWT \
  | 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: 2b19b28369e25771cc24bd5c8a4194b4c17af402ba5c1ac5f14bb4be8858b94d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a66a84c9b165a9eaea3a55a407978570abfbd6afb81b24d56283af14fc362b45",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-04-06T08:37:26Z",
    "title_canon_sha256": "f8817082a5d0c32cd9304b337cde7187c86ecc2076fa730c76db287273365bf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.02669",
    "kind": "arxiv",
    "version": 1
  }
}