Pith Number

pith:2NUMMVQG

pith:2025:2NUMMVQGSD3W3BOWVCUGGOA2LR

not attested not anchored not stored refs pending

A Theory of the Big Bang in McTaggart's Time

Paul Merriam

arxiv:2508.15863 v1 · 2025-08-20 · physics.hist-ph · 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{2NUMMVQGSD3W3BOWVCUGGOA2LR}

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	2026-07-05T11:57:22.126945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d368c6560690f76d85d6a8a863381a5c609d479aa913ad5df2423e90beaecf70

Aliases

arxiv: 2508.15863 · arxiv_version: 2508.15863v1 · doi: 10.48550/arxiv.2508.15863 · pith_short_12: 2NUMMVQGSD3W · pith_short_16: 2NUMMVQGSD3W3BOW · pith_short_8: 2NUMMVQG

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/2NUMMVQGSD3W3BOWVCUGGOA2LR \
  | 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: d368c6560690f76d85d6a8a863381a5c609d479aa913ad5df2423e90beaecf70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d425d639e898ea05e95ae50a4373d802bb1825553ff45ecdea0d178c552aed53",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2025-08-20T18:05:18Z",
    "title_canon_sha256": "be0ca66057ef09f1da33f209faf4952d64eff0c04bd04185f45aa173034b0cbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.15863",
    "kind": "arxiv",
    "version": 1
  }
}