Pith Number

pith:AMBDJH2S

pith:2015:AMBDJH2S7IMQCFPXGCNE66E4NQ

not attested not anchored not stored refs pending

Parameter estimation with efficient photodetectors

Alex Retzker, David A. Herrera-Mart\'i, Tuvia Gefen

arxiv:1510.00049 v2 · 2015-09-30 · 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{AMBDJH2S7IMQCFPXGCNE66E4NQ}

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	2026-05-18T01:17:25.312401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0302349f52fa190115f7309a4f789c6c06d00384bd1e50c2b4d828478cc617fa

Aliases

arxiv: 1510.00049 · arxiv_version: 1510.00049v2 · doi: 10.48550/arxiv.1510.00049 · pith_short_12: AMBDJH2S7IMQ · pith_short_16: AMBDJH2S7IMQCFPX · pith_short_8: AMBDJH2S

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/AMBDJH2S7IMQCFPXGCNE66E4NQ \
  | 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: 0302349f52fa190115f7309a4f789c6c06d00384bd1e50c2b4d828478cc617fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffcd5960fa3fe05798ee2ea80eeedac44afe3082b11a185acc7f2d6cfedf3b38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-30T21:51:32Z",
    "title_canon_sha256": "7563a2c35c162f2b9003125a9b1692ec339ee85fd950896aae0e23f23b95a6d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00049",
    "kind": "arxiv",
    "version": 2
  }
}