Pith Number

pith:I2KMGBYN

pith:2009:I2KMGBYNHKXB3DZSLEDCEV3UU4

not attested not anchored not stored refs pending

All-optical periodic code matching by a single-shot frequency-domain cross-correlation measurement

Andrey Gandman, Leonid Rybak, Lev Chuntonov, Zohar Amitay

arxiv:0910.3626 v2 · 2009-10-19 · physics.atom-ph · physics.chem-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{I2KMGBYNHKXB3DZSLEDCEV3UU4}

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	2026-05-18T02:11:14.163425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4694c3070d3aae1d8f325906225774a71e4759d73db6612176223fdf50bd17ed

Aliases

arxiv: 0910.3626 · arxiv_version: 0910.3626v2 · doi: 10.48550/arxiv.0910.3626 · pith_short_12: I2KMGBYNHKXB · pith_short_16: I2KMGBYNHKXB3DZS · pith_short_8: I2KMGBYN

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/I2KMGBYNHKXB3DZSLEDCEV3UU4 \
  | 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: 4694c3070d3aae1d8f325906225774a71e4759d73db6612176223fdf50bd17ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9beacdefec3b7d16b7b160cab04485b6b0234623e1b6a21936ffffd9c982042b",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-10-19T17:49:27Z",
    "title_canon_sha256": "86fc6b4dc224efb4624be47c9bcb8c73b094ec3c78abff547917170d9b1c5bdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3626",
    "kind": "arxiv",
    "version": 2
  }
}