pith. sign in
Pith Number

pith:PURDAJEO

pith:2016:PURDAJEOWPSBV2M3UXLXUROI2F
not attested not anchored not stored refs pending

Sampling Rate Distortion

Prakash Narayan, Vinay Praneeth Boda

arxiv:1607.04143 v1 · 2016-07-14 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PURDAJEOWPSBV2M3UXLXUROI2F}

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 2026-05-18T01:11:04.018040Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7d2230248eb3e41ae99ba5d77a45c8d1693bd9c017ccd49badf9841607f5cf97

Aliases

arxiv: 1607.04143 · arxiv_version: 1607.04143v1 · doi: 10.48550/arxiv.1607.04143 · pith_short_12: PURDAJEOWPSB · pith_short_16: PURDAJEOWPSBV2M3 · pith_short_8: PURDAJEO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PURDAJEOWPSBV2M3UXLXUROI2F \
  | 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: 7d2230248eb3e41ae99ba5d77a45c8d1693bd9c017ccd49badf9841607f5cf97
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4dbbfe7551d23e74ae866451f4914743e31ad4bd41559563b27336199f763c9e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-07-14T14:13:19Z",
    "title_canon_sha256": "5fe8f4ffe7590c5674fab34ea6905f8f3b79e7228c9b0c610bb1bb8c03739b57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04143",
    "kind": "arxiv",
    "version": 1
  }
}