Pith Number

pith:LFI2IYQV

pith:2008:LFI2IYQV7U3IH5QHAB64H4YSMI

not attested not anchored not stored refs pending

Time and Observables in Unimodular General Relativity

Hossein Farajollahi

arxiv:0801.4477 v2 · 2008-01-29 · 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{LFI2IYQV7U3IH5QHAB64H4YSMI}

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	2026-05-18T02:16:01.471631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5951a46215fd3683f607007dc3f312621c4878390247aaf43dea1adfcf07e1c9

Aliases

arxiv: 0801.4477 · arxiv_version: 0801.4477v2 · doi: 10.48550/arxiv.0801.4477 · pith_short_12: LFI2IYQV7U3I · pith_short_16: LFI2IYQV7U3IH5QH · pith_short_8: LFI2IYQV

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/LFI2IYQV7U3IH5QHAB64H4YSMI \
  | 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: 5951a46215fd3683f607007dc3f312621c4878390247aaf43dea1adfcf07e1c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b50eb3b7f76ea30f5a72c29e69d912b1eb84a87fe452b2be164c49d060662d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-01-29T11:56:09Z",
    "title_canon_sha256": "ff71739a2bc1821678db4f6d344b6df3fb7b137fd1732f2a73a34ac3b217654c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.4477",
    "kind": "arxiv",
    "version": 2
  }
}