Pith Number

pith:KPTIBOQR

pith:2010:KPTIBOQRJBMP4GONEJDT4OY4DR

not attested not anchored not stored refs pending

Telling time with an intrinsically noisy clock

Aleksandra M. Walczak, Andrew Mugler, Chris H. Wiggins

arxiv:1002.2474 v1 · 2010-02-12 · q-bio.MN · q-bio.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPTIBOQRJBMP4GONEJDT4OY4DR}

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	2026-05-18T04:41:45.699367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e680ba114858fe19cd22473e3b1c1c42bebaeb89b0f7fdf7fd58e2a74c646f

Aliases

arxiv: 1002.2474 · arxiv_version: 1002.2474v1 · doi: 10.48550/arxiv.1002.2474 · pith_short_12: KPTIBOQRJBMP · pith_short_16: KPTIBOQRJBMP4GON · pith_short_8: KPTIBOQR

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/KPTIBOQRJBMP4GONEJDT4OY4DR \
  | 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: 53e680ba114858fe19cd22473e3b1c1c42bebaeb89b0f7fdf7fd58e2a74c646f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a057782b1cfd4f63f2c6322c9df4b7fcbbdbc9ae15020753bf2ad6223e7672b",
    "cross_cats_sorted": [
      "q-bio.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2010-02-12T05:11:01Z",
    "title_canon_sha256": "d671fede1289bc1a4a1119159e5c9aa789fbe9efb912ded7c5ea8ac5ebda831a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2474",
    "kind": "arxiv",
    "version": 1
  }
}