Pith Number

pith:XRPKALAE

pith:2019:XRPKALAERYH6ACZD6RKYAAGW2H

not attested not anchored not stored refs pending

Moonshots for aging

Sandeep Kumar, Timothy R. Peterson

arxiv:1901.04053 v2 · 2019-01-13 · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRPKALAERYH6ACZD6RKYAAGW2H}

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	2026-05-17T23:48:07.538311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc5ea02c048e0fe00b23f4558000d6d1df77552e66d83d657c160b5d49d73ed9

Aliases

arxiv: 1901.04053 · arxiv_version: 1901.04053v2 · doi: 10.48550/arxiv.1901.04053 · pith_short_12: XRPKALAERYH6 · pith_short_16: XRPKALAERYH6ACZD · pith_short_8: XRPKALAE

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/XRPKALAERYH6ACZD6RKYAAGW2H \
  | 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: bc5ea02c048e0fe00b23f4558000d6d1df77552e66d83d657c160b5d49d73ed9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adaf6cba6c0f884dccc51c1062ad8fb2c4e2c975ab4ae46d268b15ca36f28730",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2019-01-13T20:10:39Z",
    "title_canon_sha256": "203bc28dd0558a533b4b46d6041889ad408b3c4debb44af426e4afb592a7cd33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04053",
    "kind": "arxiv",
    "version": 2
  }
}