Pith Number

pith:MY4AXAYB

pith:2022:MY4AXAYBJKOZTF5HGFMHAI32VU

not attested not anchored not stored refs pending

Machine Learning-based Biological Ageing Estimation Technologies: A Survey

Danny Crookes, Paul Chazot, Richard Jiang, Zhaonian Zhang

arxiv:2206.12650 v1 · 2022-06-25 · cs.CV · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MY4AXAYBJKOZTF5HGFMHAI32VU}

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	2026-07-05T04:34:57.516107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66380b83014a9d9997a7315870237aad1b01f620d8e65269bd89b2d6a1e85b22

Aliases

arxiv: 2206.12650 · arxiv_version: 2206.12650v1 · doi: 10.48550/arxiv.2206.12650 · pith_short_12: MY4AXAYBJKOZ · pith_short_16: MY4AXAYBJKOZTF5H · pith_short_8: MY4AXAYB

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/MY4AXAYBJKOZTF5HGFMHAI32VU \
  | 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: 66380b83014a9d9997a7315870237aad1b01f620d8e65269bd89b2d6a1e85b22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba5bb161430ae093968fd9823aa695b65df0504a0b00ce3b7709f5bf4d408633",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-06-25T13:38:39Z",
    "title_canon_sha256": "7a1f205a145e13fbb657fc3e2a4c3014dc6dd647d853e11eef2a108cf9dd382b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.12650",
    "kind": "arxiv",
    "version": 1
  }
}