Pith Number

pith:ABN3RHOD

pith:2011:ABN3RHODABWCMMW55BOODL2MLY

not attested not anchored not stored refs pending

Systems Engineering for Civil Timekeeping

Rob Seaman

arxiv:1112.0827 v1 · 2011-12-05 · astro-ph.IM · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ABN3RHODABWCMMW55BOODL2MLY}

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	2026-05-18T04:06:57.687288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

005bb89dc3006c2632dde85ce1af4c5e3eda9bff309d572b455410cd6c65c464

Aliases

arxiv: 1112.0827 · arxiv_version: 1112.0827v1 · doi: 10.48550/arxiv.1112.0827 · pith_short_12: ABN3RHODABWC · pith_short_16: ABN3RHODABWCMMW5 · pith_short_8: ABN3RHOD

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/ABN3RHODABWCMMW55BOODL2MLY \
  | 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: 005bb89dc3006c2632dde85ce1af4c5e3eda9bff309d572b455410cd6c65c464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "632103a22ba46882252578bf5ae0816d9991754afa806953f308ca8d15f3b407",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-12-05T03:49:16Z",
    "title_canon_sha256": "01be21a245824d96f4d5b59dc7c0392534b76bb36ea75116e06866583d13098d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0827",
    "kind": "arxiv",
    "version": 1
  }
}