Pith Number

pith:7HWWZHJL

pith:2026:7HWWZHJLL36BII4CZGX73PJWMT

not attested not anchored not stored refs pending

Synchrony by Birth and Death

K. P. O'Keeffe

arxiv:2607.28867 v1 · 2026-07-30 · nlin.AO · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HWWZHJLL36BII4CZGX73PJWMT}

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	2026-08-03T01:17:14.512268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9ed6c9d2b5efc142382c9affdbd3664d8d78deec10fd1b27defe7276340d54a

Aliases

arxiv: 2607.28867 · arxiv_version: 2607.28867v1 · doi: 10.48550/arxiv.2607.28867 · pith_short_12: 7HWWZHJLL36B · pith_short_16: 7HWWZHJLL36BII4C · pith_short_8: 7HWWZHJL

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/7HWWZHJLL36BII4CZGX73PJWMT \
  | 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: f9ed6c9d2b5efc142382c9affdbd3664d8d78deec10fd1b27defe7276340d54a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee099dd8a3375550567478abfc18d5f75dc20fb88a1608a0ef0fe426489c91a2",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nlin.AO",
    "submitted_at": "2026-07-30T22:19:32Z",
    "title_canon_sha256": "c46d5994794db1504205eefb7f3d0f91c9aeceb2d3e696a2fc0a6b015aa5dfa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28867",
    "kind": "arxiv",
    "version": 1
  }
}