Pith Number

pith:TD2LS5CW

pith:2017:TD2LS5CWID3EIZ6UAQXBJWU5QC

not attested not anchored not stored refs pending

Dain's invariant on non-time symmetric initial data sets

Jarrod L. Williams, Juan A. Valiente Kroon

arxiv:1701.05434 v2 · 2017-01-19 · 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{TD2LS5CWID3EIZ6UAQXBJWU5QC}

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	2026-05-18T00:44:38.646480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98f4b9745640f64467d4042e14da9d80978055557b9a6383cc41cba9e64fa5eb

Aliases

arxiv: 1701.05434 · arxiv_version: 1701.05434v2 · doi: 10.48550/arxiv.1701.05434 · pith_short_12: TD2LS5CWID3E · pith_short_16: TD2LS5CWID3EIZ6U · pith_short_8: TD2LS5CW

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/TD2LS5CWID3EIZ6UAQXBJWU5QC \
  | 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: 98f4b9745640f64467d4042e14da9d80978055557b9a6383cc41cba9e64fa5eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d4c23b65dcb21f2418f69354b86c17460b6f4613c6bfb52a9d1a41ea06fc0ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-01-19T14:31:42Z",
    "title_canon_sha256": "a897de54191d9d1e19eea000a1a73bf21d8007f20a6b6fa3d43d5645a4e099fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05434",
    "kind": "arxiv",
    "version": 2
  }
}