Pith Number

pith:FIPU6QRN

pith:2015:FIPU6QRNRRLZ2TK4XTC33WIB66

not attested not anchored not stored refs pending

Properties of Farey Sequence and their Applications to Digital Image Processing

Kishaloy Halder, Partha Bhowmick, Sanjoy Pratihar, Soham Das

arxiv:1509.07757 v1 · 2015-09-25 · cs.OH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIPU6QRNRRLZ2TK4XTC33WIB66}

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	2026-05-18T01:32:02.016695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a1f4f422d8c579d4d5cbcc5bdd901f7960c65b3dcc7ff60b84cfc94c007ce89

Aliases

arxiv: 1509.07757 · arxiv_version: 1509.07757v1 · doi: 10.48550/arxiv.1509.07757 · pith_short_12: FIPU6QRNRRLZ · pith_short_16: FIPU6QRNRRLZ2TK4 · pith_short_8: FIPU6QRN

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/FIPU6QRNRRLZ2TK4XTC33WIB66 \
  | 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: 2a1f4f422d8c579d4d5cbcc5bdd901f7960c65b3dcc7ff60b84cfc94c007ce89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2091ce9bbff04167ae420ddc94116e100140e64ff7ac251e015a16f7c456d478",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2015-09-25T15:36:00Z",
    "title_canon_sha256": "e1c8fec33ac4faca9c30109a106830a2f5000b1f10a8270b0b1ba5d68554ae26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07757",
    "kind": "arxiv",
    "version": 1
  }
}