Pith Number

pith:TL4K4VMO

pith:2013:TL4K4VMOWRNQGHBL2SIYMN6R72

not attested not anchored not stored refs pending

Efficient Visual Coding: From Retina To V2

Garrison Cottrell, Honghao Shan

arxiv:1312.6077 v2 · 2013-12-20 · cs.CV · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TL4K4VMOWRNQGHBL2SIYMN6R72}

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	2026-05-18T02:31:02.373286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9af8ae558eb45b031c2bd4918637d1fea9f7051d76ba4fbff858c8673416121b

Aliases

arxiv: 1312.6077 · arxiv_version: 1312.6077v2 · doi: 10.48550/arxiv.1312.6077 · pith_short_12: TL4K4VMOWRNQ · pith_short_16: TL4K4VMOWRNQGHBL · pith_short_8: TL4K4VMO

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/TL4K4VMOWRNQGHBL2SIYMN6R72 \
  | 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: 9af8ae558eb45b031c2bd4918637d1fea9f7051d76ba4fbff858c8673416121b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9993e35df7723296868a8529e116227a8cdfbc6bcc8ea4b0a1d08fcbe32f690c",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-12-20T19:09:38Z",
    "title_canon_sha256": "78932d01642ccb012e3391db0f9ba89094bc994c4bdf7427118da4af348f8d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6077",
    "kind": "arxiv",
    "version": 2
  }
}