Pith Number

pith:Q3ZJRGJJ

pith:2019:Q3ZJRGJJXE7I3APM3HJSZAOTAS

not attested not anchored not stored refs pending

Unsupervised automatic classification of Scanning Electron Microscopy (SEM) images of CD4+ cells with varying extent of HIV virion infection

Birgitta Dresp-Langley, John M. Wandeto

arxiv:1905.03700 v1 · 2019-04-30 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3ZJRGJJXE7I3APM3HJSZAOTAS}

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	2026-05-17T23:46:36.974261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f2989929b93e8d81ecd9d32c81d30490d73a80a36398dd0d2648671cfde60f

Aliases

arxiv: 1905.03700 · arxiv_version: 1905.03700v1 · doi: 10.48550/arxiv.1905.03700 · pith_short_12: Q3ZJRGJJXE7I · pith_short_16: Q3ZJRGJJXE7I3APM · pith_short_8: Q3ZJRGJJ

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/Q3ZJRGJJXE7I3APM3HJSZAOTAS \
  | 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: 86f2989929b93e8d81ecd9d32c81d30490d73a80a36398dd0d2648671cfde60f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4273d5a29adc08c37bde20a1131ef43f30c3f4bf5729e67008b707576bfd687f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-30T15:15:21Z",
    "title_canon_sha256": "963baf109c0e65ccb1fe1c89378c3a094dd03e6e974256a8e56f90e3a865c1b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03700",
    "kind": "arxiv",
    "version": 1
  }
}