Pith Number

pith:UCJZBAAB

pith:2007:UCJZBAAB3RI4SXVIXYHYYA4HZR

not attested not anchored not stored refs pending

Scalar field exact solutions for non-flat FLRW cosmology: A technique from non-linear Schr\"odinger-type formulation

Burin Gumjudpai (TPTP Naresuan U. & Suranaree U. of Tech.)

arxiv:0710.3598 v4 · 2007-10-18 · gr-qc · astro-ph · hep-th · quant-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{UCJZBAAB3RI4SXVIXYHYYA4HZR}

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.

Cited by

1 paper in Pith

Gauge vs (hidden) physical symmetries of FLRW cosmologies

Receipt and verification

First computed	2026-07-04T15:38:00.405437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a093908001dc51c95ea8be0f8c0387cc758a5a222dd1d41ef328138afa644601

Aliases

arxiv: 0710.3598 · arxiv_version: 0710.3598v4 · doi: 10.48550/arxiv.0710.3598 · pith_short_12: UCJZBAAB3RI4 · pith_short_16: UCJZBAAB3RI4SXVI · pith_short_8: UCJZBAAB

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/UCJZBAAB3RI4SXVIXYHYYA4HZR \
  | 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: a093908001dc51c95ea8be0f8c0387cc758a5a222dd1d41ef328138afa644601

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37f04e46f0a6a29004dd80d7311edbe3fece197dcf9bc34fcf8f550b95de45b0",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-10-18T20:52:38Z",
    "title_canon_sha256": "8684026199273e3cdcc3f489e9646c846cb364aff183d3c8aabf9217927cb152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.3598",
    "kind": "arxiv",
    "version": 4
  }
}