Pith Number

pith:DXHCXPA4

pith:2021:DXHCXPA4MBFDSQ37IL47RB6WYL

not attested not anchored not stored refs pending

Universal compressive tomography in the time-frequency domain

B. Brecht, C. Silberhorn, H. Jeong, J. Gil-Lopez, L. L. Sanchez-Soto, S. De, Y. S. Teo

arxiv:2105.12462 v1 · 2021-05-26 · 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{DXHCXPA4MBFDSQ37IL47RB6WYL}

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	2026-07-05T02:43:39.178309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1dce2bbc1c604a39437f42f9f887d6c2d77a92b3ee0aca846d5408e4ba972646

Aliases

arxiv: 2105.12462 · arxiv_version: 2105.12462v1 · doi: 10.48550/arxiv.2105.12462 · pith_short_12: DXHCXPA4MBFD · pith_short_16: DXHCXPA4MBFDSQ37 · pith_short_8: DXHCXPA4

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/DXHCXPA4MBFDSQ37IL47RB6WYL \
  | 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: 1dce2bbc1c604a39437f42f9f887d6c2d77a92b3ee0aca846d5408e4ba972646

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f6d6869169a0205b741df53d067064333b5a65f1c8d30e29194a3682f7f74e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-05-26T10:40:16Z",
    "title_canon_sha256": "f5ccfeef5e37161006ff0068d574d111cdd273da9f1c378f73945929a653191d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.12462",
    "kind": "arxiv",
    "version": 1
  }
}