Pith Number

pith:2AEE3N3C

pith:2017:2AEE3N3CWHSKNBUKJIW7Z53B4A

not attested not anchored not stored refs pending

Separating the signal from the noise: Evidence for deceleration in old-age death rates

Dennis M. Feehan

arxiv:1707.09433 v2 · 2017-07-28 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2AEE3N3CWHSKNBUKJIW7Z53B4A}

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	2026-05-18T00:19:59.049607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0084db762b1e4a6868a4a2dfcf761e0284767ad5bf6b5b2286bc3392670f232

Aliases

arxiv: 1707.09433 · arxiv_version: 1707.09433v2 · doi: 10.48550/arxiv.1707.09433 · pith_short_12: 2AEE3N3CWHSK · pith_short_16: 2AEE3N3CWHSKNBUK · pith_short_8: 2AEE3N3C

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/2AEE3N3CWHSKNBUKJIW7Z53B4A \
  | 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: d0084db762b1e4a6868a4a2dfcf761e0284767ad5bf6b5b2286bc3392670f232

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e63f58fcbda987c0f3d2c0c1c88cd3f2f86e96ad75005f4f6ea0cb90664197fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2017-07-28T22:43:42Z",
    "title_canon_sha256": "d620c80704e9f64574164a51cbc5393e4b2e8fcba3ce7c79c22be999cb4c08b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09433",
    "kind": "arxiv",
    "version": 2
  }
}