Pith Number

pith:ZP3POQW6

pith:2016:ZP3POQW6MER63BLXNS5RAXUQHI

not attested not anchored not stored refs pending

Invariant feature extraction from event based stimuli

Bertram E. Shi, Thusitha N. Chandrapala

arxiv:1604.04327 v3 · 2016-04-15 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZP3POQW6MER63BLXNS5RAXUQHI}

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	2026-05-18T01:12:11.815790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbf6f742de6123ed85776cbb105e903a3cfc5c8ee8a683307dafcb4302d32b05

Aliases

arxiv: 1604.04327 · arxiv_version: 1604.04327v3 · doi: 10.48550/arxiv.1604.04327 · pith_short_12: ZP3POQW6MER6 · pith_short_16: ZP3POQW6MER63BLX · pith_short_8: ZP3POQW6

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/ZP3POQW6MER63BLXNS5RAXUQHI \
  | 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: cbf6f742de6123ed85776cbb105e903a3cfc5c8ee8a683307dafcb4302d32b05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ada8d38c53be94b5b0d5462852554bc8bb3188839ac561b8281af6859f8f8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-15T01:18:29Z",
    "title_canon_sha256": "20a5637132364920c9111afe89d300552039e95ad9368cdd1d9f5e78ff039798"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04327",
    "kind": "arxiv",
    "version": 3
  }
}