Pith Number

pith:KSISQMW6

pith:2017:KSISQMW62JB377XX5ZWTBPIM2Q

not attested not anchored not stored refs pending

Quantifying Facial Age by Posterior of Age Comparisons

Chen Change Loy, Cheng Li, Li Liu, Yunxuan Zhang

arxiv:1708.09687 v2 · 2017-08-31 · 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{KSISQMW62JB377XX5ZWTBPIM2Q}

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	2026-05-18T00:32:57.357729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54912832ded243bffef7ee6d30bd0cd435d5187bf0ced1f61c2cadcc0cfb7ddb

Aliases

arxiv: 1708.09687 · arxiv_version: 1708.09687v2 · doi: 10.48550/arxiv.1708.09687 · pith_short_12: KSISQMW62JB3 · pith_short_16: KSISQMW62JB377XX · pith_short_8: KSISQMW6

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/KSISQMW62JB377XX5ZWTBPIM2Q \
  | 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: 54912832ded243bffef7ee6d30bd0cd435d5187bf0ced1f61c2cadcc0cfb7ddb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97c68e23598fc8d497c445f4c9ea28269f9141ca3541e69bac55c73a32a33cbd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-31T12:49:05Z",
    "title_canon_sha256": "5ef2790c612d1398754ead589606fa64aac5b8ef2b7173a7077619a37e8556c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09687",
    "kind": "arxiv",
    "version": 2
  }
}