Pith Number

pith:QSOOA7XQ

pith:2015:QSOOA7XQEQSH3C63LJIBBZR4CL

not attested not anchored not stored refs pending

The eternal recurrence today

J. C. S. Neves

arxiv:1506.05502 v1 · 2015-06-17 · physics.hist-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{QSOOA7XQEQSH3C63LJIBBZR4CL}

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	2026-05-18T01:29:54.013281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

849ce07ef024247d8bdb5a5010e63c12f3a62a5b7e0aaf3b8035ff3672755b3e

Aliases

arxiv: 1506.05502 · arxiv_version: 1506.05502v1 · doi: 10.48550/arxiv.1506.05502 · pith_short_12: QSOOA7XQEQSH · pith_short_16: QSOOA7XQEQSH3C63 · pith_short_8: QSOOA7XQ

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/QSOOA7XQEQSH3C63LJIBBZR4CL \
  | 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: 849ce07ef024247d8bdb5a5010e63c12f3a62a5b7e0aaf3b8035ff3672755b3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7e4ff645753f7fff214abe8afa23d9f4b270d7259a33007c7970c283e5f2146",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-06-17T21:29:49Z",
    "title_canon_sha256": "5d81e88b996cc1769451f3fef47f33f0759aefcb8c4c9d0ecd8ec1537f30364f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05502",
    "kind": "arxiv",
    "version": 1
  }
}