Pith Number

pith:3VF7RE4H

pith:2018:3VF7RE4H5H7ZQZ6PFF4WV7D2TP

not attested not anchored not stored refs pending

Obtaining conclusive information from incomplete experimental quantum tomography

Henri Lyyra, Teiko Heinosaari, Tom Kuusela

arxiv:1812.03827 v2 · 2018-12-10 · 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{3VF7RE4H5H7ZQZ6PFF4WV7D2TP}

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	2026-05-17T23:47:12.245093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd4bf89387e9ff9867cf29796afc7a9bfe9ce3a7ed2bc14022b87e92a2a810bd

Aliases

arxiv: 1812.03827 · arxiv_version: 1812.03827v2 · doi: 10.48550/arxiv.1812.03827 · pith_short_12: 3VF7RE4H5H7Z · pith_short_16: 3VF7RE4H5H7ZQZ6P · pith_short_8: 3VF7RE4H

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/3VF7RE4H5H7ZQZ6PFF4WV7D2TP \
  | 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: dd4bf89387e9ff9867cf29796afc7a9bfe9ce3a7ed2bc14022b87e92a2a810bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77240a2b54eb72606079faeb00a68ad10d778e2dcb43bf84fa956fbd4755c47b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-12-10T14:36:48Z",
    "title_canon_sha256": "2a382ca3136fbe41abca19fb323c5f3c756120673c4817e8d7198e3a215ab420"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03827",
    "kind": "arxiv",
    "version": 2
  }
}