Pith Number

pith:ISWVL6YM

pith:2012:ISWVL6YMNEQAHS72XCG7B2G3X6

not attested not anchored not stored refs pending

Simultaneous remote transfer of accurate timing and optical frequency over a public fiber network

Amale Kanj (SYRTE), Anne Amy-Klein (LPL), Christian Chardonnet (LPL), Giorgio Santarelli (SYRTE, Giovanni D. Rovera (SYRTE), Joseph Achkar (SYRTE), LP2N), Olivier Lopez (LPL), Paul-Eric Pottie (SYRTE)

arxiv:1209.4715 v2 · 2012-09-21 · physics.optics · physics.ins-det · quant-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{ISWVL6YMNEQAHS72XCG7B2G3X6}

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	2026-05-18T03:32:44.885543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44ad55fb0c692003cbfab88df0e8dbbfbe3472fa2a235cef3d3e674f5f46c32d

Aliases

arxiv: 1209.4715 · arxiv_version: 1209.4715v2 · doi: 10.48550/arxiv.1209.4715 · pith_short_12: ISWVL6YMNEQA · pith_short_16: ISWVL6YMNEQAHS72 · pith_short_8: ISWVL6YM

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/ISWVL6YMNEQAHS72XCG7B2G3X6 \
  | 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: 44ad55fb0c692003cbfab88df0e8dbbfbe3472fa2a235cef3d3e674f5f46c32d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "297e24286f673eb2a7eb399a171a456d8d7246a7b715b661a58697e2d8d032fd",
    "cross_cats_sorted": [
      "physics.ins-det",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-09-21T06:20:58Z",
    "title_canon_sha256": "3ca57501dd5965f4f863bc91d58ee800be8d64c6029158b38904aad83e0895f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4715",
    "kind": "arxiv",
    "version": 2
  }
}