Pith Number

pith:7PW4UHUB

pith:2018:7PW4UHUB4DNQ3P2T24W6H6BT3H

not attested not anchored not stored refs pending

Two diverse models of embedding class one

Peter K.F. Kuhfittig

arxiv:1805.10960 v1 · 2018-05-28 · 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{7PW4UHUB4DNQ3P2T24W6H6BT3H}

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	2026-05-18T00:14:48.676118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbedca1e81e0db0dbf53d72de3f833d9cbfe6917890474476a777fc5cd8934bc

Aliases

arxiv: 1805.10960 · arxiv_version: 1805.10960v1 · doi: 10.48550/arxiv.1805.10960 · pith_short_12: 7PW4UHUB4DNQ · pith_short_16: 7PW4UHUB4DNQ3P2T · pith_short_8: 7PW4UHUB

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/7PW4UHUB4DNQ3P2T24W6H6BT3H \
  | 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: fbedca1e81e0db0dbf53d72de3f833d9cbfe6917890474476a777fc5cd8934bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df05292984035d11ce0fbd12daebaddc08e98a3132ec5ead18ab73b20b71de56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-28T14:59:17Z",
    "title_canon_sha256": "37f9a9cf26d9f690943c680707bb27edb28b7654df3f8a748828e940c8fc1649"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10960",
    "kind": "arxiv",
    "version": 1
  }
}