Pith Number

pith:PVQRMTNB

pith:2012:PVQRMTNBHYR4LKUU6NBL54JDV6

not attested not anchored not stored refs pending

Adaptive sensing using deterministic partial Hadamard matrices

Emmanuel Abbe, Emre Telatar, Saeid Haghighatshoar

arxiv:1202.6555 v1 · 2012-02-29 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PVQRMTNBHYR4LKUU6NBL54JDV6}

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	2026-05-18T02:21:17.473249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d61164da13e23c5aa94f342bef123af9acf7ad0c8eddac07e16ba80cf1594d7

Aliases

arxiv: 1202.6555 · arxiv_version: 1202.6555v1 · doi: 10.48550/arxiv.1202.6555 · pith_short_12: PVQRMTNBHYR4 · pith_short_16: PVQRMTNBHYR4LKUU · pith_short_8: PVQRMTNB

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/PVQRMTNBHYR4LKUU6NBL54JDV6 \
  | 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: 7d61164da13e23c5aa94f342bef123af9acf7ad0c8eddac07e16ba80cf1594d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8f1628ea05ccd16b400c182b4d92b50cafc6cbfe451f956c5e36199e85afe4a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-29T14:17:48Z",
    "title_canon_sha256": "9d88a16cfda593450f7ad9c7e7823c26485b9127f0eb2975b3de6efd441c2a30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6555",
    "kind": "arxiv",
    "version": 1
  }
}