Pith Number

pith:NTD6JYYY

pith:2009:NTD6JYYYMJ4M36323SEXDOL63E

not attested not anchored not stored refs pending

Deblurring of One Dimensional Bar Codes via Total Variation Energy Minimisation

Rustum Choksi, Yves van Gennip

arxiv:0910.2494 v3 · 2009-10-13 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NTD6JYYYMJ4M36323SEXDOL63E}

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	2026-05-17T23:41:01.712412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cc7e4e3186278cdfb7adc8971b97ed93933c448cb6f8969d154535f64190be2

Aliases

arxiv: 0910.2494 · arxiv_version: 0910.2494v3 · doi: 10.48550/arxiv.0910.2494 · pith_short_12: NTD6JYYYMJ4M · pith_short_16: NTD6JYYYMJ4M3632 · pith_short_8: NTD6JYYY

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/NTD6JYYYMJ4M36323SEXDOL63E \
  | 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: 6cc7e4e3186278cdfb7adc8971b97ed93933c448cb6f8969d154535f64190be2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58fb6e97509a7e49397181047d99a83de798b1bed5b98f1516d64ebd08bc04e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-10-13T23:11:40Z",
    "title_canon_sha256": "49b4d7b922c565193330c532ad0520b495e85a2b938ef5673c9c3d99e0020085"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2494",
    "kind": "arxiv",
    "version": 3
  }
}