Pith Number

pith:DDT4ECXU

pith:2001:DDT4ECXUKN36JA3VPA2CXZTZWX

not attested not anchored not stored refs pending

Consequences of a Quantized Spacetime Model

B.G. Sidharth

arxiv:physics/0101057 v1 · 2001-01-12 · physics.gen-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DDT4ECXUKN36JA3VPA2CXZTZWX}

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	2026-05-18T01:16:22.048393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e7c20af45377e4837578342be679b5edd2a39dbc356d051e7228a8540d3f84

Aliases

arxiv: physics/0101057 · arxiv_version: physics/0101057v1 · doi: 10.48550/arxiv.physics/0101057 · pith_short_12: DDT4ECXUKN36 · pith_short_16: DDT4ECXUKN36JA3V · pith_short_8: DDT4ECXU

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/DDT4ECXUKN36JA3VPA2CXZTZWX \
  | 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: 18e7c20af45377e4837578342be679b5edd2a39dbc356d051e7228a8540d3f84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "091152f3c91c261fda86b6d7206ac5f0b3ec64a30c90892cca3d55e3e0b0be20",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2001-01-12T13:06:37Z",
    "title_canon_sha256": "fbc6b62902d58b9badcccb551283dd1f5302eedd5c5e3a961f8a9c84341f30ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0101057",
    "kind": "arxiv",
    "version": 1
  }
}