Pith Number

pith:XJXQHYFA

pith:2017:XJXQHYFAEDHFFLDUJPZK3YLE64

not attested not anchored not stored refs pending

Work drives time evolution

David Edward Bruschi

arxiv:1702.05450 v4 · 2017-02-17 · quant-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XJXQHYFAEDHFFLDUJPZK3YLE64}

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	2026-05-18T00:15:42.345538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba6f03e0a020ce52ac744bf2ade164f70cebf8b1b9eb36d7ca57f77914bb6cba

Aliases

arxiv: 1702.05450 · arxiv_version: 1702.05450v4 · doi: 10.48550/arxiv.1702.05450 · pith_short_12: XJXQHYFAEDHF · pith_short_16: XJXQHYFAEDHFFLDU · pith_short_8: XJXQHYFA

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/XJXQHYFAEDHFFLDUJPZK3YLE64 \
  | 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: ba6f03e0a020ce52ac744bf2ade164f70cebf8b1b9eb36d7ca57f77914bb6cba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa9558796f1451686fb2d52d20790b44a11b8487403a22d8008175316c51e0e1",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-02-17T17:25:46Z",
    "title_canon_sha256": "e016cc4e4ccc2c3ead510db0c0d54b9fd0f438c5943f3d39bcbb3c06e3e863f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05450",
    "kind": "arxiv",
    "version": 4
  }
}