Pith Number

pith:E2Y75WMM

pith:2001:E2Y75WMMWITH52ACWVQRTQZPI3

not attested not anchored not stored refs pending

Pre-big bang in M-theory

Marco Cavaglia

arxiv:hep-th/0103095 v1 · 2001-03-13 · hep-th · 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{E2Y75WMMWITH52ACWVQRTQZPI3}

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	2026-05-18T02:36:12.436998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b1fed98cb2267ee802b56119c32f46f1547e41d6f1dfdcc0bde4dcfe986e3e

Aliases

arxiv: hep-th/0103095 · arxiv_version: hep-th/0103095v1 · doi: 10.48550/arxiv.hep-th/0103095 · pith_short_12: E2Y75WMMWITH · pith_short_16: E2Y75WMMWITH52AC · pith_short_8: E2Y75WMM

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/E2Y75WMMWITH52ACWVQRTQZPI3 \
  | 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: 26b1fed98cb2267ee802b56119c32f46f1547e41d6f1dfdcc0bde4dcfe986e3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df80697a00352cf89eb15a57e56197ad12ba382f4394c1cb31a552379b7c5038",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-03-13T17:45:03Z",
    "title_canon_sha256": "83fa493319205ded5cfe84388669f4b0c2b3e02056f9e1b844bbf2ccf892be42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0103095",
    "kind": "arxiv",
    "version": 1
  }
}