Pith Number

pith:H2DZKKU5

pith:2018:H2DZKKU52I6SZNWBTSR2RLNRH6

not attested not anchored not stored refs pending

Source Printer Classification using Printer Specific Local Texture Descriptor

Nitin Khanna, Sharad Joshi

arxiv:1806.06650 v1 · 2018-06-18 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H2DZKKU52I6SZNWBTSR2RLNRH6}

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	2026-05-17T23:43:17.915703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e87952a9dd23d2cb6c19ca3a8adb13fa39e945fe6953cfebedd3f7a2c038ef3

Aliases

arxiv: 1806.06650 · arxiv_version: 1806.06650v1 · doi: 10.48550/arxiv.1806.06650 · pith_short_12: H2DZKKU52I6S · pith_short_16: H2DZKKU52I6SZNWB · pith_short_8: H2DZKKU5

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/H2DZKKU52I6SZNWBTSR2RLNRH6 \
  | 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: 3e87952a9dd23d2cb6c19ca3a8adb13fa39e945fe6953cfebedd3f7a2c038ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e555de18b32e9fc04870cc3689c386b80eb92b5214bf85452a3c6b8cefc77a06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2018-06-18T13:29:26Z",
    "title_canon_sha256": "4ff322e4e3411bdc6ea4a2f8c0c523b11ea4c6d32937d63116f61cdf181651e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06650",
    "kind": "arxiv",
    "version": 1
  }
}