Pith Number

pith:CETGY7F3

pith:2017:CETGY7F3H3S2DG2MN5G7KY26EH

not attested not anchored not stored refs pending

Order-unity argument for structure-generated "extra" expansion

Boudewijn F. Roukema, Jan J. Ostrowski, Pierre Mourier, Thomas Buchert

arxiv:1703.04191 v1 · 2017-03-12 · astro-ph.CO · 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{CETGY7F3H3S2DG2MN5G7KY26EH}

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	2026-05-18T00:31:45.225236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11266c7cbb3ee5a19b4c6f4df5635e21e9f405a08c7c398ef85f8bf058d4aaff

Aliases

arxiv: 1703.04191 · arxiv_version: 1703.04191v1 · doi: 10.48550/arxiv.1703.04191 · pith_short_12: CETGY7F3H3S2 · pith_short_16: CETGY7F3H3S2DG2M · pith_short_8: CETGY7F3

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/CETGY7F3H3S2DG2MN5G7KY26EH \
  | 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: 11266c7cbb3ee5a19b4c6f4df5635e21e9f405a08c7c398ef85f8bf058d4aaff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efc4c9fb81b6a087ea57560942a5b8d4f3fa4a36e5492c7cee7709ccd224d3d6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-03-12T22:40:42Z",
    "title_canon_sha256": "9d61790861c676546862b313096f3e58ccfe2c4ddb02e6f553dc0130ae89f8e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04191",
    "kind": "arxiv",
    "version": 1
  }
}