Pith Number

pith:T7Y5UE23

pith:2011:T7Y5UE23GYL4QFS3XCAOLVJJHO

not attested not anchored not stored refs pending

Monochromatic reconstruction algorithms for two-dimensional multi-channel inverse problems

Matteo Santacesaria (CMAP), Roman Novikov (CMAP)

arxiv:1105.4086 v3 · 2011-05-20 · math.AP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7Y5UE23GYL4QFS3XCAOLVJJHO}

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	2026-05-18T03:00:01.388663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ff1da135b3617c8165bb880e5d5293ba5864407a277700d995d6cf6550804dc

Aliases

arxiv: 1105.4086 · arxiv_version: 1105.4086v3 · doi: 10.48550/arxiv.1105.4086 · pith_short_12: T7Y5UE23GYL4 · pith_short_16: T7Y5UE23GYL4QFS3 · pith_short_8: T7Y5UE23

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/T7Y5UE23GYL4QFS3XCAOLVJJHO \
  | 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: 9ff1da135b3617c8165bb880e5d5293ba5864407a277700d995d6cf6550804dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72f0471e2f21cf2b093e3a903c4b43de43f6320e99ec3d017c67a1582c33abe7",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-05-20T13:36:57Z",
    "title_canon_sha256": "4da73859d98e0bb99d180226922c940ef24dba3c6945938ef0b9efae226ccc5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4086",
    "kind": "arxiv",
    "version": 3
  }
}