Pith Number

pith:DBN2O5KO

pith:2019:DBN2O5KOWUMJB32LG5DRANVYFU

not attested not anchored not stored refs pending

Finding Missing Children: Aging Deep Face Features

Anil K. Jain, Debayan Deb, Divyansh Aggarwal

arxiv:1911.07538 v2 · 2019-11-18 · 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{DBN2O5KOWUMJB32LG5DRANVYFU}

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	2026-07-05T00:20:21.886508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

185ba7754eb51890ef4b37471036b82d20440c628b49eb2ee15b622d94753a3e

Aliases

arxiv: 1911.07538 · arxiv_version: 1911.07538v2 · doi: 10.48550/arxiv.1911.07538 · pith_short_12: DBN2O5KOWUMJ · pith_short_16: DBN2O5KOWUMJB32L · pith_short_8: DBN2O5KO

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/DBN2O5KOWUMJB32LG5DRANVYFU \
  | 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: 185ba7754eb51890ef4b37471036b82d20440c628b49eb2ee15b622d94753a3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd5244a2cc01eb72eec6e39c7a584650feb1b8b7db897f65667464b4c11c538",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-11-18T10:58:04Z",
    "title_canon_sha256": "08e758467f1b73349e44d25cf3da7d4ebb78c28382a4527118f7d2d9f0a57fc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.07538",
    "kind": "arxiv",
    "version": 2
  }
}