Pith Number

pith:NYZJNVGW

pith:2014:NYZJNVGWXBKVREECHWXEQEUEKV

not attested not anchored not stored refs pending

Tower bells and time zones, a history of synchronization

Costantino Sigismondi

arxiv:1412.8661 v1 · 2014-12-30 · physics.hist-ph · physics.pop-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{NYZJNVGWXBKVREECHWXEQEUEKV}

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	2026-05-18T02:30:16.777955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e3296d4d6b8555890823dae4812845543c3f557101cfb1f50472ad52b2763aa

Aliases

arxiv: 1412.8661 · arxiv_version: 1412.8661v1 · doi: 10.48550/arxiv.1412.8661 · pith_short_12: NYZJNVGWXBKV · pith_short_16: NYZJNVGWXBKVREEC · pith_short_8: NYZJNVGW

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/NYZJNVGWXBKVREECHWXEQEUEKV \
  | 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: 6e3296d4d6b8555890823dae4812845543c3f557101cfb1f50472ad52b2763aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aeff8747fcfd15ccb00ebd1d72f55d06c6e772ea5c3f9f120fec6ba341d94db",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2014-12-30T15:39:13Z",
    "title_canon_sha256": "b315ce807f7832af80e77cacfb4e97ba1691cbab06d6d84466296e2f5c8cca99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8661",
    "kind": "arxiv",
    "version": 1
  }
}