Pith Number

pith:MNHYB3NZ

pith:2015:MNHYB3NZVR2MBJT4QIRR4RZHFE

not attested not anchored not stored refs pending

Implicit Sparse Code Hashing

Tsung-Wei Ke, Tsung-Yu Lin, Tyng-Luh Liu

arxiv:1512.00130 v1 · 2015-12-01 · 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{MNHYB3NZVR2MBJT4QIRR4RZHFE}

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	2026-05-18T01:25:32.672535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

634f80edb9ac74c0a67c82231e4727290870daf9406a997b41293b4635187981

Aliases

arxiv: 1512.00130 · arxiv_version: 1512.00130v1 · doi: 10.48550/arxiv.1512.00130 · pith_short_12: MNHYB3NZVR2M · pith_short_16: MNHYB3NZVR2MBJT4 · pith_short_8: MNHYB3NZ

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/MNHYB3NZVR2MBJT4QIRR4RZHFE \
  | 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: 634f80edb9ac74c0a67c82231e4727290870daf9406a997b41293b4635187981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b196cc88119c4280435f17648f831e654878a916ac0dbb890e92109806183697",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-12-01T03:12:09Z",
    "title_canon_sha256": "9f584aee0cecc11edb1bbb4092b05cd9a64397b3b3b88c98a3ecbe9f79a249f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00130",
    "kind": "arxiv",
    "version": 1
  }
}