Pith Number

pith:DPYFSN2E

pith:2017:DPYFSN2EVEOGABTPKROX5KYJ5G

not attested not anchored not stored refs pending

Classification of meaningful and meaningless visual objects: a graph similarity approach

Ahmad Mheich, Fabrice Wendling, Mahmoud Hassan

arxiv:1706.00603 v1 · 2017-06-02 · 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{DPYFSN2EVEOGABTPKROX5KYJ5G}

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	2026-05-18T00:43:12.573294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf0593744a91c60066f545d7eab09e9bfadcb3183f5b8c0ed289f96563b4d7f

Aliases

arxiv: 1706.00603 · arxiv_version: 1706.00603v1 · doi: 10.48550/arxiv.1706.00603 · pith_short_12: DPYFSN2EVEOG · pith_short_16: DPYFSN2EVEOGABTP · pith_short_8: DPYFSN2E

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/DPYFSN2EVEOGABTPKROX5KYJ5G \
  | 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: 1bf0593744a91c60066f545d7eab09e9bfadcb3183f5b8c0ed289f96563b4d7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80330c5453ba27f99438cbec9480b77c69b1960fe59c9b452817febbf6c6378f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2017-06-02T09:25:28Z",
    "title_canon_sha256": "b4b8bb6d36c43f834e545c59d0debcc8ed3a1aa886772a11e69f12bd52fb86ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00603",
    "kind": "arxiv",
    "version": 1
  }
}