Pith Number

pith:TWO3KQU5

pith:2008:TWO3KQU5H56O77HN7QBGNLEOFF

not attested not anchored not stored refs pending

Deformed Special Relativity with an energy barrier of a minimum speed

Claudio Nassif

arxiv:0805.1201 v7 · 2008-05-08 · 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{TWO3KQU5H56O77HN7QBGNLEOFF}

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	2026-05-18T00:29:54.208459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d9db5429d3f7ceffcedfc0266ac8e295df72d81590e90776fc383da10703ea3

Aliases

arxiv: 0805.1201 · arxiv_version: 0805.1201v7 · doi: 10.48550/arxiv.0805.1201 · pith_short_12: TWO3KQU5H56O · pith_short_16: TWO3KQU5H56O77HN · pith_short_8: TWO3KQU5

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/TWO3KQU5H56O77HN7QBGNLEOFF \
  | 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: 9d9db5429d3f7ceffcedfc0266ac8e295df72d81590e90776fc383da10703ea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59baa2c4269bde47443b63b2dfd3b33c7f46c66f6cffc43f1a12998780b87ab3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-05-08T17:15:13Z",
    "title_canon_sha256": "00ac2a08f297970b11e4239fa7c43a89d5ae941247475873a0dae9262ab170f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1201",
    "kind": "arxiv",
    "version": 7
  }
}