Pith Number

pith:3X5UESVW

pith:2010:3X5UESVWMTKDVUP4ZOFJRMLBPJ

not attested not anchored not stored refs pending

Sub-100 attoseconds optics-to-microwave synchronization

G. Santarelli, M. Lours, R. Boudot, W. Zhang, Y. Kersale, Y. Le Coq, Z. Xu

arxiv:1003.2799 v1 · 2010-03-14 · physics.optics · physics.ins-det

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:24:37.299560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddfb424ab664d43ad1fccb8a98b1617a571601a86e51102349475b6d081c1a2f

Aliases

arxiv: 1003.2799 · arxiv_version: 1003.2799v1 · doi: 10.48550/arxiv.1003.2799 · pith_short_12: 3X5UESVWMTKD · pith_short_16: 3X5UESVWMTKDVUP4 · pith_short_8: 3X5UESVW

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/3X5UESVWMTKDVUP4ZOFJRMLBPJ \
  | 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: ddfb424ab664d43ad1fccb8a98b1617a571601a86e51102349475b6d081c1a2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c03a3bbab3bbbe038593213c3d2a8fc3c2e7f3ab8368a8d2afd79769c022de48",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-03-14T17:11:30Z",
    "title_canon_sha256": "ff9ead6ce8b3aee4467f2436774da59ee6386d04ca49c2a114f8775f185c5094"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2799",
    "kind": "arxiv",
    "version": 1
  }
}