Pith Number

pith:I3UUGPRC

pith:2018:I3UUGPRCBPGQYY6K6EROGARBKJ

not attested not anchored not stored refs pending

Photon correlations in both time and frequency

Elena del Valle, Fabrice P. Laussy, Juan Camilo L\'opez Carre\~no

arxiv:1802.04540 v1 · 2018-02-13 · quant-ph · cond-mat.quant-gas · physics.pop-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{I3UUGPRCBPGQYY6K6EROGARBKJ}

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	2026-05-18T00:23:42.149210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46e9433e220bcd0c63caf122e30221524a210a9587e1ffd5ef433023718ee395

Aliases

arxiv: 1802.04540 · arxiv_version: 1802.04540v1 · doi: 10.48550/arxiv.1802.04540 · pith_short_12: I3UUGPRCBPGQ · pith_short_16: I3UUGPRCBPGQYY6K · pith_short_8: I3UUGPRC

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/I3UUGPRCBPGQYY6K6EROGARBKJ \
  | 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: 46e9433e220bcd0c63caf122e30221524a210a9587e1ffd5ef433023718ee395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4bc5d3a2b2b2c151afa9e5408882b67de59b192255f4579cf8a37582b836993",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-02-13T10:24:43Z",
    "title_canon_sha256": "e9ad42661e8bb7f0fdc8eb5ea33a05d93a7070c768d18ed2e3d42860a2e954c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04540",
    "kind": "arxiv",
    "version": 1
  }
}