Pith Number

pith:M7TFC7ZV

pith:2018:M7TFC7ZVNN5NOVOA3QZB7NRLUJ

not attested not anchored not stored refs pending

A 3.9 km baseline intensity interferometry photon counting experiment

Cesare Barbieri, Enrico Verroi, Gabriele Umbriaco, Giampiero Naletto, Giancarlo Farisato, Luca Zampieri, Luigi Lessio, Mauro Barbieri, Paolo Favazza

arxiv:1810.01096 v1 · 2018-10-02 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M7TFC7ZVNN5NOVOA3QZB7NRLUJ}

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	2026-05-18T00:04:18.852504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e6517f356b7ad755c0dc321fb62ba25732951f722fea2636ad87d0a591dd84

Aliases

arxiv: 1810.01096 · arxiv_version: 1810.01096v1 · doi: 10.48550/arxiv.1810.01096 · pith_short_12: M7TFC7ZVNN5N · pith_short_16: M7TFC7ZVNN5NOVOA · pith_short_8: M7TFC7ZV

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/M7TFC7ZVNN5NOVOA3QZB7NRLUJ \
  | 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: 67e6517f356b7ad755c0dc321fb62ba25732951f722fea2636ad87d0a591dd84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5088af74d856604d2a6f36754733035c7645b2d264fa6797365a95ed19edf89a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-10-02T07:21:59Z",
    "title_canon_sha256": "a8e15b2560749154fe87eef0e69f068a195e772272764dea385e6838a347527a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01096",
    "kind": "arxiv",
    "version": 1
  }
}