Pith Number

pith:NLIWUTPT

pith:2015:NLIWUTPTX6NPSZK7HFJIQ3XNIZ

not attested not anchored not stored refs pending

Regularizing future cosmological singularities with varying speed of light

A. Shojai, F. Shojai, M. Sanati

arxiv:1507.02512 v1 · 2015-07-09 · 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{NLIWUTPTX6NPSZK7HFJIQ3XNIZ}

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	2026-05-18T01:22:39.275557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ad16a4df3bf9af9655f3952886eed4658e13d16236fe7775e7a0f31fe851d2b

Aliases

arxiv: 1507.02512 · arxiv_version: 1507.02512v1 · doi: 10.48550/arxiv.1507.02512 · pith_short_12: NLIWUTPTX6NP · pith_short_16: NLIWUTPTX6NPSZK7 · pith_short_8: NLIWUTPT

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/NLIWUTPTX6NPSZK7HFJIQ3XNIZ \
  | 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: 6ad16a4df3bf9af9655f3952886eed4658e13d16236fe7775e7a0f31fe851d2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e09c6f19abdb6cede6b8156db4ff34e413c82fb5778c65d7cef1273359f6c29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-07-09T14:09:43Z",
    "title_canon_sha256": "d122f134615d73306eb5c14153d83dd4d18d8c5bb43356d85ae782a0bce03f4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02512",
    "kind": "arxiv",
    "version": 1
  }
}