Pith Number

pith:TCBEJW22

pith:2017:TCBEJW22H2RRFQFIVRX3SYY7WB

not attested not anchored not stored refs pending

JND-Based Perceptual Video Coding for 4:4:4 Screen Content Data in HEVC

Lee Prangnell, Victor Sanchez

arxiv:1710.09919 v2 · 2017-10-26 · cs.MM

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

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	2026-05-18T00:23:52.727655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

988244db5a3ea312c0a8ac6fb9631fb04c0494d60a17bffc4fcb30c60ef8177a

Aliases

arxiv: 1710.09919 · arxiv_version: 1710.09919v2 · doi: 10.48550/arxiv.1710.09919 · pith_short_12: TCBEJW22H2RR · pith_short_16: TCBEJW22H2RRFQFI · pith_short_8: TCBEJW22

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/TCBEJW22H2RRFQFIVRX3SYY7WB \
  | 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: 988244db5a3ea312c0a8ac6fb9631fb04c0494d60a17bffc4fcb30c60ef8177a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e2d5ea272595ed537a5c613531614292255348a211c0ca303b950b72f4a5dbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2017-10-26T21:28:57Z",
    "title_canon_sha256": "d9c714599728b4429b0e6cae83b7f2e52839c66b27c79edfcbb37c049a1e53b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09919",
    "kind": "arxiv",
    "version": 2
  }
}